Originally Posted by L.A. BRONCOS FAN
Win7 has its own compatibility wizard that allows you to keep your older software by specifying which version of Windows the software worked with.
Crap, you're right. It's not a 64-bit distinction like I thought, it's that W7 Home Edition doesn't have that feature. I was testing on a friend's W7 - Home Edition - so I was led astray.
I did return Dragon, so the damage is not so bad really. Thanks for the wake up on that.