20 seconds from screen-shut to Sleep... Surely this can't be right?

Hi everyone,
On my MBA, it takes approx 20 seconds for the hard disk to spin down & the computer to go to sleep after closing the lid, even if I've already logged out. This seems extremely long, particularly compared to my Powerbook G4 which sleeps/HD spins down after 3 seconds! Surely this is something that needs to be looked at by Apple?
Just wondering what other people are experiencing on this point. It's not a huge problem, but does mean it's not a good idea to pick up your MBA & put in your bag having only just shut the lid...
Cheers,
Jason

The delay is due to the Safe Sleep/Hibernate mode employed by default on your Air. The contents of RAM are saved to the HD in a file /private/var/vm/sleepimage
On the Air's rather slow 1.8" (same as in the iPod) HD, that can take a few seconds. You can speed up the process as outlined here:
http://groups.google.com/group/mac-book-air/web/faster-sleeping
There are some trade offs to doing this, but I find it useful.
Dave

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