[geedubya15]

I have been on sprint for almost 10 years. I have a traditional data plan. I currently pay about $10 a month. If I am not mistaken, I think it is EV-DO Rev A. I logged into sprint.com to try to find the exact data plan that I have but there was no name. It just said Unlimited Data. Anyway...

If I buy the Spring Evo for the retail price (separate from a plan) off of ebay or somewhere, will it work with my current plan?

What will and will not work with the phone? Would I be able to make calls? Would the internet work? Would it be just Ev-Do Rev A? I currently have a Touch Pro 2 and that works fine with my Unlimited Data Plan.