Is Anyone Running 2008 or 2009 on Windows 7 Pro in Compatibility Mode?

We're not going to upgrade to 2010 yet - it is not an option.  My laptop with XP just crashed and I need to buy a new one.

The Dell salesman is saying that compatibility mode will run any 32 bit software.  Quite a commitment based upon his word.

Is anyone actually doing that successfully?  I'd really rather not buy Vista Home Premium if I can help it.

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