Here's few tips for editors aiming to do larger or longer productions with just reasonable PC's. I myself do a 10 minute AVCHD production every week: http://www.youtube.com/samuinews
1. Make sure you have way more than 5 gigs of free space on C drive, makes PD working much more stable
2. Try to do selective library. The less footage you have in there, the faster PD works and the less crashes you'll get
3. Do the production in Max. 10 minute pieces. Create/Produce the WMV or other file you need and save it to be attached in to the final production. The closer you get to the 10 minute limit, chances are that crashes happen or at least the PD slows down big time.
I got my own question. Is it possible to add Pip-, audio- or music tracks to the production line? I feel the need occasionally. Haven't had time to read the manual...
Cheers and thx for the great product.