Never trust anything with "trusting" and "microsoft" in the same sentance.
"Trustworthy Computing Initiative"
--- Rewriting many programs, breaking features, including direct connections without NAT traversal. Turns out the programming changes never made any real impact to their security
Examples:
Internet Explorer SP1
MSN Messenger 6.2
Windows Messenger 4.6 and above
"Next Generation (Trustworthy) Secure Computing Base"
Tighter integration of DRM and IRM into Windows, more backholes to allow outsiders access to your computer, "NX" support, and a whole load of good things... yes, but the main bit is that if you try to disable NGSCB aka "Palladium", you're breaking the DMCA Act (if you're in the states).
Examples:
Windows 2006 (Longhorn)
Internet Explorer 7.0 (w/ Longhorn)
and Office 2003 Enterprise (with IRM manager)
"Privacy Policy"
"Microsoft may give limited details to other companies and 3rd parties"
(or something like that)
Examples:
Hotmail
Microsoft.com
MSN
MSNSpaces (yep... they can read, export, and censor your blogs.... y'see... this is why I've got my own server)
"Trust Computing Hardware" (UK)
"Designed for Microsoft XP" <-- wtf is that supposed to mean!?
Their mice break down after 2 weeks
....Not saying that I've never owned a Trust-brand mouse, I'm glad I haven't, I do pity my sister, however
And so on.....
Oh, and IRT Linux
Get WINEX and WINE, and you can run the majority of Windows apps on Linux, WINEX for apps that use DirectX (including Generals)
Doom3, Quake 3, and Half-Life are available for Linux... but we won't be seeing a port of HL2 for a while, as it employs DirectX
Aaaaand some other stuff
Myself? I haven't switched yet, nor am I planning too
Linux still has the UNIX chain-ball holding it back from the desktop and "client" market