Im sure its been done, somewhere. But what you will find is that everyone has the erosional favorites due to it being the one they have used. Some or more expensive, some are cheaper. The one thing i can say is this, if you choose the middle of the road fridge, i.e. ARB, Engel, etc.. you will find that it will give you years of reliable use with little to no problems. Ive thought about upgrading; I use and Engel 45; to an National Luna, but I can't find a reason to sell my Engel. It really is nice. Hope this helps.
I know you recently stated that you would like to pick one up at OEX, go o the Engel Booth and talk to Paul, he might have one to sell you after the show.