supastar, the key will work for both 32 or 64 bit, but 64 bit media are only included with Vista Ultimate. You can get the 64 bit media for the other versions from MS for s/h. Hope that helps. BTW, Vista doesn't ask for your old system but rather looks for the installed version. And you don't...
The bundle IS available for pick up, too. Ordered the case yesterday and then added the fan shown under add-ons. The rebate doesn't specify anything else. Picked them both up at the local CompUSA and both MIR form printed (case and fan). If you can pick it up locally, it is a great deal. Just...