First, thanks to all who chimed in on the logic big box v. cubase SL.
After doing a lot more research, I'm trying to decide between logic 6 Gold and Cubase SX. I tried cubase on a pc and liked it, but from looking at the Steinberg forum, there seems to be a lot of problems w/ OSX and Cubase SX, but it's always hard to tell if the people claiming that are just a vocal minority, using a cracked copy etc. I'd be interested in hearing if people think that Cubase SX works well with Mac, or, if it is excpetionally buggy and I should stick to an Apple-owend product, or DP 4. Thanks