Based on the small amount of playing I have done it is good. This list of tips maybe helpful.

Haizo: Sorry. I use IE Tab in FF for certain MS related sites and I forgot it mangles URLs.

Toddish: I don't think you should have to take such a conservative approach to adopting Win7. All reports indicate the Beta is very stable.

Thanks for the tips - reading

Haven't actually installed yet as the stupid Java M$hit dl script crapped out at 70% BitTorrent to the rescue