Yeah, definitely depends on the lens - you didn't mention whether it's a $2000 lens or a $500 lens you want. At the lower end, I would definitely recommend buying here or on the FM sale boards. I just discovered the forums a couple months ago, but I have had a couple great purchase experiences, all priced better than ebay. If you're ansty about it, try to find a local purchase. Someone is always selling what you need to buy.

