VB and coldfusion are used widely in the corporate world because they are known to be Rapid Application Development tools. The faster you get a product to the market..the more of a headstart you have over hte competition, and the more profit you make.
you know php and mysql right? basic coldfusion should be a piece of cake to pickup. just get yourself a book and read it within a week.
VB Im having a trouble with myself. i know a good deal of C++, perl, and php but i still cant remember the syntax for VB. its so too different for me. However, alot of people know their VB, so if you are a developer in the business world, you should learn your VB