BARCLONE has, as of 3/5/2010, 722 unique rocket designs.
But, don't forget, EMRR has 3,785 articles covering 1,705 commercial products and 2,080 MOPS (modifications, out-of-production, plans, and scratch) rockets. There are also 2,281 RockSim models.
For countless scans of commercial products, both in- and out-of production, check out JimZ and Ye Olde Rocket Plans.
And, if this doesn't help, I just don't know what to tell ya'.