You're kind of late to the party. There have been so many threads on this that if they were merged the MR servers would surely topple. Nobody here can help you.I use Spaces in my Snow Leopard computer since, minimizing windows sucks on OS X,
Send a request to Apple: http://www.apple.com/feedback/macosx.html
I don't like it either but I've managed to curtail my workflow to fit in only 4 desktops using MC. (Anything more makes it useless for me on a 13" display). I also never use Full Screen Apps which SL never had anyway. Also, with ML Apple eventually allowed us not to "group" our windows in Expose' - I think we were lucky to at least get that.
Combine these "compromises" with 3rd party innovations like BetterTouchTool and ML is tolerable. Not perfect, but tolerable.