The latest upgrade to Pro (9.01.002) which makes Pro and Standard have the same program base is supported under Windows 7. It should work fine. I KNOW it works fine under Vista. I have Vista32 Ultimate SP2 and it works like a charm!
That, I don't know. I've heard Windows 7 support but not specifically 32 or 64. It should work for 64 bit. You can try the trial version to see for sure or you could email Mark to ask.