Hey! Having just finished a CS degree and after thoughtful consideration, if I had the opportunity to go back in time and do it over again, I wouldn't. I think that I could have covered all of the material in far less time on my own and used the extra time to develop my skills as a programmer. With all of the exams and assignments that occupy so much time in University, I think that your time would be better spent writing programs that interest you and reading other people's code as well. University will teach you the basics, but without much practice, it's of very little value. Furthermore, I gather from your post that you'd be studying for the benefit of starting your own company. As a result, you obviously don't need that piece of paper certifying that you know what you know. Conversely, if you thought that you might eventually seek employment with another company, the CS degree is (unfortunately) important just to get a look at your c.v.

This is just one man's opinion. Let me know what you decide.