ok, here's the post you were expecting...
I don't come here much anymore since the site went over to the new version as it's not IBrowse compatible anymore.
I have the Pre-release but havn't installed it as it's way to old compared to what I'm using
If you looking for reviews try www.amigaworld.net
, amigaworld is the official OS4 forum, sponsored by eyetech, and where hyperion post their news releases
As for OS4, think of 3.9 running 10 times faster, as responsive as ever with loads of new things to play with. I have been using my A1 with OS4 as my main machine since April. there's a few things still to be done, like JIT, serial/parallel drivers, floppy support. there's a few bugs to iron out, but nothing major.