When I upgraded my home laptop from a 2-year old MacBook Pro to one of the newly released unibody models, I decided to upgrade from a 5400 RPM drive to a 7200 RPM drive. I ran some bonnie-64 benchmarks and noticed a 40% improvement in random seeks/sec and some other impressive numbers. It's helped make my weekend hacking much more pleasant.

Here are the old numbers:

and the new numbers:

Bottom line: Recommended