Earlier quoted context omitted.
Regardless of YC involvement, you can still be demoing to investors in March. It takes a little more effort--and you'll have to do the demo about 30 times to reach the same number of investors--but you can actually start a company without YC. ;-)
Why don't you tell us how you did it? *cough* Virtualmin -- YC Winter 2007 *cough* Are you suggesting in retrospect that you'd have preferred a different strategy?
There's a difference between "Getting into YC would help my business" and "I need to get into YC to start my business".