There are several daily Vegas tips on the DMN Forums site, another good Vegas resource.
http://www.dmnforums.com/cgi-bin/displaywwugindex.fcgi?forum=sonic-foundry_vegas&endday=90&dire=4
will get you there. Currently about 15 tips of the day, and a new one everyday, plus roughly 25 Vegas tutorials.
There are also nearly 100 veg files on the Sundance Media Group site,
http://www.sundancemediagroup.com/help/kb
will get you there.