"3.5" doesn't make sense...

[Zappo]

LOL. Does that mean it cost three times as much as the Home edition?

Yep. And you can turn a Home edition into Professional by changing a couple values in the registry, too.

 

[J'quan]

Yep. And you can turn a Home edition into Professional by changing a couple values in the registry, too.

Or just by pasting the deltas from the SRD which they claim will be updated the week "3.5" hits the shelves