I used to use VPC 2.0 on my iMac, under OS9. It is a great product! I've not felt the need to upgrade.
On the level, don't count on running kick-a$$ games with it, but for the rest of your needs I think you'll find it fast enough.
I with the guy that posted before in saying, "I don't need any windows apps."
VPC 4 has some great multi-os booting options. (although BeOS won't boot) And they sell it with only "DOS," in case you already own windows.
Maybe DirectX is slow, but it seems to run most productivity apps pretty quickly.
