>I've heard that the code name of the vfp6.0 is Tahoe.
>What's the Tahoe means?

I think code names are identifier names and do not mean anything
in particular. To me it means a lake in the U.S. that I cant afford to
live by, a rich person's play ground. Who ever picks the code names
may have some other meaning, but I dont think it has any real
meaning (but I may be wrong)