One of the annoying things if you're dealing with VB 6 is it doesn't support the scroll mouse while your working on programs. Go [link|http://office.microsoft.com/en-us/assistance/HA101175901033.aspx|here] for an Add-In to fix that.
It says it's for the Office applications, but it also works inside of the Visual Basic IDE. On Step 4, Enable the VBA add-in, open a VB project then start at step #4, the Add-Ins menu.