Denise, Your not crazy at All----What are you asking for the 1.4 extender, I'll give you a hundred bucks for it right now: []---KIdding aside. You have a very nice collection of lenses and you seem to like the wildlife and outdoor shots----why would you think about giving up your 100-400 unless it was for a 400 or 500 prime?


I guess, the best question is, what direction are you planning to go with your photography?


Bob