NRD CO (former, he's been moved up in the chain and is now working for the RDML in charge of Navy Recruiting Command) says that FY10 is full for GENOFF, and FY11 almost full!
So, uhm. Yeah. GET YOUR PACKAGES AIRTIGHT AND IN NOW.
I'll only make one quick recommendation (I don't want to hijack this thread): read the FAA Handbook of Aeronautical Knowledge. Devour it; it will greatly improve your scores. Don't give up.
The OAR is the only thing required for SWO.