Hi everyone
The wife and i have booked a flight to Tassy for a week.
I am using this as an escuse to but another Lens

I have a 50D and
24-105L lens inc. a UV & Circular Polarizer
18-55 kit lens inc several filters , Circular Polarizer
500mm Manual focus Prime elcheapo
70-300 Tamron
380EX flash

lens i would like are
10-22
50 f/1.4 USM
70-200 f/2.8 IS
100 macro
and a bird lens 100-400 ?
but i can afford much, could manage the 10-22 or the 100 macro


Anyone suggest what other lens i should get before the big trip.