Normally I hate these kind of things, but this is one event I wouldn't mind going to, seeing as the V-Ray people are so rad and helpful. The fact that it's free also helps:
From the chaosgroup website:
A team of professionals from Chaos Software will visit London, UK to present the following products:
1.The newly released V-Ray 1.50SP3 (1.50 Service Pack 3)
2.The soon to be released V-Ray for Maya
3.pdplayer - the professional tool for multi-layered sequences preview, basic compositing and color corrections in real time.
4.Additionally Chaos Software will make official announcements on the release of V-Ray Interactive RT technology, as well as a few more upcoming products from Chaos Software.
The Chaos Software team will also conduct a number of commercial trainings:
1.In-depth V-Ray technology analysis
2.Cutting production costs by implementing V-Ray-based pipelines
3.Tips and tricks on using V-Ray features in ways never imagined before
May 13th, 2009, WednesdayMorning session:
2:00pm - 5:00pm
Note: both sessions will have the same content.
London Hilton on Park Lane Hotel
The Wellington Ballroom
22 Park Lane London W1K 1BE, United Kingdom
More info and registration can be found here