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I've been using a Thunder Power 610C charger for years.  Works great, no problems.  AC power, no external power supply necessary.

A Main Hobbies has them on sale right now for $90, great price.

https://www.amainhobbies.com/thunder-power-tp610c-ac-dc-16-cell-lipo-charger-w-balancer-thp610cacdc/p178721

ThunderPower makes good stuff. I use their batteries and I’m quite happy with them.
That first charger that Vince linked to is rated at 80 watts. Every time I charge for a day of flying I more than double that.
The single unit John shared with us is a 100 watt unit. Still not enough for 4x4S 2800 to charge at 1C.
The 4 channel unit claims 4x100 watts, and that would do the job. It has the added advantage of charging/ discharging batteries individually, as opposed to my setup using a parallel board to do one process to four (up to six) batteries at a time.
My charging setup is way overkill for what I need. I started with a junk charger, got an iCharger 106B which was good, but it failed. I fixed it, it later failed again. Then I got a PL8 and an MPA parallel board. I love this setup, and it has plenty of power. Well, later on I ran across a smokin’ deal on another PL8, so now I have two along with two MPA boards. I have them installed in a pelican case along with a power supply. Can also plug them into the truck for charging at the field.
You say you’re going to eventually fly .60 size stunters. That will take more power, aka bigger batteries.
Buy the charger that can handle your future needs, not just what you need now. Two or three upgrades later you will have spent more than if you ‘go for broke’ now.
If I had to choose from those three, it would be the 4 channel unit. For a little more money you can get a PowerLab 6 and a parallel board and have 3 times the watts. But, it requires an external power source.

I use a Lab-8 with an external power supply and their charge board. Not cheap but I also did not want to go through the always upgrading the equipment when it is possible to start at the top and grow into it. That didn't take long to realize that I did the right thing. With over 60 batteries  and the ability to charge 6 cell batteries at once is worth the outlay. It has 1400 watts available.
I'm not advocating that you go that route if you have a clear idea of what your total involvement will be. But consider your purchase well before spending your cash and then having to do it again.

It sort of depends how many times you want to upgrade your rig.  I didn't want to waste any funds re-buying several poor-mediocre setups, so I did some research, pestered some experts and just found a good deal on a top shelf "Pro" rig.   I didn't try to overthink it, I just bought a setup that followed what Bob Hunt, Howard Rush a few other notables recommended.  I figured, if it works for them and they are all recommending it...it will definitely work for me.

I bought a Revolectrix PowerLab 8 Lipo charger with the MPA paraboard and a SolidHobby 24V, 47A, doubled server power supply setup.  It's mighty!

Diving headfirst into the electric world isn't cheap.  There isn't really a way around it.  The investments in infrastructure and hardware must be made.  However, there are plenty of good deals out there to be had on lightly used gear if you patiently look around for a while.  I paid less than half of new cost for an almost new setup.  The person I bought my complete setup from was liquidating the entirety of his sad false start into the RC car hobby (father-son bonding project that fizzled when the teenager decided his phone was just sooo much more interesting ....) 

Lots of places and other RC hobby forums from which to look. 

Hopefully this will be the summer that I finally get to plug it in.  Didn't quite happen last year. 

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Thunder Power RC is having a sale this week end.  Coupon Code  is : Memorial18 .  They have good stuff.  Might want to check them out.  Their chargers do work well.

30% off, great deal.  Good thru tomorrow.

I ended up buying the Thunder Power RC QUAD 4 X 100W AC/DC CHARGER. It was $186.42 with shipping.

I will have to save up for one of the higher end chargers.. Perhaps for next year.

Thanks for all of the input. Very much appreciated.

Mark

Good choice.  I started with real garbage chargers and found the TP 4X to be a big step up.  It will serve you well for a long time.   If you get to point where you have 20 batteries and want to put in 20 flights a day you may need more.  I have 8 good batteries and rarely put in more that 2-4 flights per day. But I am not a serious flyer.  Even if I get serious 8 flight a day is all my old bones could stand.   

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Well, I used my Thunder Power TP4X610HV for the first time today..

It has four ports, and while it came with four balance boards and four charging leads, two of the leads are Deans and two are XT 60.. Given all of my batteries are Deans, I could only charge two at a time. But it charged them in 32 mins for each round, I have RSM 4S 3300 LiPos for my 46 size RSM system.

I'm pretty happy with the purchase.

Thanks again for all of the input!

Mark

Mine came the same way.  I converted the two XT connectors to deans and I now can charge 4 dean's at once.