Try Peter Alfonso's Gingerbread ROM, it's up to 2.3.3 and pretty much a vanilla ROM for the OG Droid. He also has a couple low voltage kernels 600 mhz up to 1.25 ghz, personally I'm running 1ghz and only overclocking to 800 mhz, don't need anything more it's that smooth. Throw on Launcher Pro...