I own a Sony a200 with came with a 2 lens kit covering 18-300mm (i think). Recently on a surf trip was amazed at the difference in quality on zoomed (300mm) surf shots on a mates canon 30D. What he told me was that basically its all about the lens quality. Now I'm doing research at it seems Canon and Nikon and general the higher regarded brands. SO I am thinking about flogging the sony on ebay and switching to canon or nikon. Can someone tell me what the deal is with sony lenses? Are there good zoom lenses out there for sony or should I just throw in the towel and switch to canon (or nikon).