This forum system is called vBulletin, and it is written in PHP. The 'nicest' ASP.NET forum system is written by the ASP.NET guys at Microsoft (and I've contributed too), called the ASP.NET Forums. http://forums.asp.net/
The ASP.NET Forums is a product of the hard work from many people. Unless your some genious, you wouldn't be able to create a brand new Forums system, in the time it has taken for the ASP.NET Forums (a few months...). The ASP.NET Forums are open source, so it could be valuable to you to view it's code.
If you want to take on the challenge, go for it ;-). I'll be here to answer questions :)
Another one, how to I import the project files, I am getting errors for some of them. The web one is the main one I would like to get into though, so I can change the aspx files to suit my sites design.
OK, so HostGator for some reason no longer allows gcc/g++ access unless you have a Designated Server account, which is a lot of money to spend just to compile my "Hello World" program. Thus I figured I'd compile at home, then upload. Program is your regular old bare-bones Hello World ...