Hi Abam,
Got it! I'm there now - reading great stuff!
Thanks,
Bob
abam wrote: "I have the 50D, 580exII and I'd like to be able to take my lighting to another level where the flash is off the camera itself. What's the best way and fairly inexpensive way to do this?"
go to strobist.blogspot.com and read their recommendations on how to get the flash off camera. read everything there, for that matter.