I need to purchase vs.net 2010 so I can use all the new features and entity framework.
ANy suggestions on which edition I should get?
Where is a good place to buy it on the cheap?
Do you have a .edu email address? You can download Visual Studio 2010 Professional for free from Microsoft Dreamspark.
Beyond that... full Visual Studio licenses (not acquired through the programs above or through the MSDN-AA) are transferrable, so you can try eBay or other similar services.
As for which edition you should get, if you're concerned about price, Professional is likely your only option as the price skyrockets after that.