I'm sorry you had trouble, sleepy. I installed it yesterday and haven't had any problems yet... it's slated for a March release from what I hear, so hopefully it's fairly stable.
pugs - you should download the file that is marked as .exe - that's the winXP ececutable installer. Make sure to uninstall your current Slimserver first, however, as the database file formats are not compatible between the two versions. Good luck!
Is there any reason you're looking to use 6.5? I need it for a Nokia 770 skin that is included, that's my excuse!