Home of the BrewNosers

Hey guys!
I started homebrewing in December and have since made 9 batches. Started with the Best Case beer kits and have moved on to some of the recipes at Nobel Grape that have all turned out delicious!
But the bottles. Dear god all the friggin bottles. I've got about 190 Grolsch bottles because I wanted a pipeline of booze for the summer which worked great but i just can't take all of the cleaning anymore.
I have saved up a decent chunk of change and am now in the market for kegging equipment. I'm looking for 3 corny kegs and everything else i need to get this started but where I've never done this before I'm not sure what exactly I need or where the best place to buy is.
So, if anybody has any advice on what types of kegs i should buy (pin or ball lock) and where I can get them (the cheaper the better!) It would be insanely helpful.
I plan on getting a small deep freeze that will fit everything i need (3 kegs and a tank) so if anybody has any advice on a good one of those, that would be helpful as well!
Thanks in advance!

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As to the different types of kegs - there's pros and cons to both. I think you used to be able to find pin-locks a bit cheaper, but nowadays they seem to have standardized in price. I have pin-locks, but I'd guess the majority on here have ball-locks. Given that you're planning on getting a deep freeze for your setup - I assume you'll be putting on a collar to pass the tap shanks through? In that case, the added height from the collar (I'd recommend 2x6's) will suit ball-locks well as they are taller and skinner than pin-locks, which will probably mean you can squeeze more kegs in (ie: one on the compressor hump).