1)A single user OS.
2)Integrated TCP/IP stack.
3)A port of Mozilla, Opera, or any equivalent browser.
4)Eye-candy. Yes, you heard me; and no I won't use Windows XP. If I wanted to use it, I'd use it allready...
5)A good, fast and native pascal compiler.
6)Some form of backward-compatability.
7)Games from this century.or at least a port of Sim City 2000.