A couple of useful SQL2005 facts
One that seems to have been missed by everyone until this week is that you can now use getdate() in a user-defined function. You couldn't do this in SQL2000, because of determinism. It's been mentioned in quite a few blogs - Peter Ward's is one. Peter is coming to speak at AdSSUG in March.
Another useful thing is about backups. Geoff Orr tells about it in his blog. Through funky use of partitioning and marking certain things as read-only, you can reduce the size of backups by a lot, because you're only backing up data that could be changing. For the rest, you'd be relying on previous backups. (Obviously you'd need to have taken them at some point)
Geoff is a great guy. He lives in Sydney, works at Microsoft in SQL Support, and is a Christian to boot. He helped start one of the biggest churches in London! Hopefully he'll come and speak at our little group in Adelaide some time soon.