Can't wait for the .1 update. Installed Leopard but the issues forced me back to Tiger.
Issues:
Connections to SMB shares was broken. i.e. SMB://servername/share Under Leopard, those connections were being routed over the internet as if the servername was a URL. The workaround was to use the lan IP address for the server, but I use my MPB on assorted networks where getting IPs is not practical. It's all done by the machine name.
But that's OK. I could almost live with that bug, except once I got shares working, trying to copy files from a network share was dial-up slow. Small files were taking forever. Movies and music? Forget it. Totally unusable. Others have reported this same issue and the alleged fix involves making IPv6 changes on the Mac (er, ok...) and on the Windows server (right, like clients are going to LET me go do around reconfiguring all the servers to work with my MBP).
What happened to "It just works"??? It did and does work under Tiger.
Also, Leopard's help menu was broken. Click help. Wait a moment for it to load, and it closes itself. Try again. Same thing. Minor issue to be sure but disconcerting.
On the plus side, I was happier with Leopard's resource management. Memory and CPU use at idle seemed better. Apps loaded faster. Second Life ran cooler. Dashboard didn't appear to load until or unless I actually wanted to use it. Space was nice.
Eager to see what the point release brings....
Did you do an upgrade install or Archive install? I find that most Leopard issues could be fixed with an Archive install.