>Well, that's what I thought but I was flipping through a set of MSDN subscription CDs and saw "Visual Studio 6.0a Edition" on one of the MSDN Library CDs. So, I wondered what "6.0a" was.
>
>>I haven't seen a 6.0a release announced; VFP6 with SP3 adds significant stability and functionality, but AFAIK, it's just a later build of VFP6, and not a separate release.

That's an upgrade to MSDN, not Visual Studio or it's components.