Do a CS Degree Without University
OK, you won’t get a degree, you won’t experience the cheap beer, and you won’t have to live on baked beans for 3 years, but if you’re after some of the knowledge you pick up at Uni (only if the beer isn’t too cheap mind) you can’t do much better than to take some of the courses at the renowned institution MiT, as part of their OpenCourseWare initiative.
You won’t find courses on .NET there, but as anyone who’s picked up .NET knows, a knowledge of fundemental computer science is essential to write good applications with it.
Check it out, for free, here. Just don’t expect a graduation ceremony ;)