Ok, well thanks for all the insightful responses.
It seems that on balance I'd be better off getting a 5400 drive in the interests of battery life and investing in more ram if I want better day-to-day performance.
Originally posted by Bergermeister
What, Socrates, do you plan on using the drive for? It's your main machine, but if you mainly type emmail, then it won't really make a difference.
Faster drives work better for audio...
Originally posted by Xool
For your average user I'd think the larger drive would be better.
If you don't mind a slightly less efficient battery, you want a little more speed, and an extra 20 GB doesn't entice you, the 7200...
I notice that Apple advertise a 7200rpm hard drive as a BTO option on the new powerbooks, but you have to choose between that or a larger 5400rpm drive.
Can someone give some opinion as to the real-world performance difference the...