http://barefeats.com/mbcd7.html
Check it out. It beats the the 5400RPM AND 7200RPM drive in large file reads and writes. Glad I got the 200GB. LOTS of space and decent speed!
I really went back-and-forth in trying to decide between the 160GB or 200GB! I
always need more storage space, since my iTunes and iPhoto files are quite large, but I was afraid of the speed hit I'd take with a 4200rpm drive (which, for the smaller files that I'd typically be using, is still going to be noticeably slower, I think, vs. "large file reads and writes.")
Ultimately, I went for the 160GB, and plan to get a
minixpress 825 with another 5400rpm 160GB HD, with FW800/400/USB2 connections - not too large to lug around in my notebook case. At least until we see 3000GB 5400rpm 2.5" HDs - then I'll see how hard the swap process would be to replace my 160GB!
Glad for you that your 200GB will be fast enough! I'm still envious of your extra 40GB!
iBorg