What metering mode do i use??

What's the best metering mode to use on an XTi??

Depends entirely on what you take pictures of, so only you can now the answer.

Maybe this helps:


http://www.cambridgeincolour.com/tutorials/camera-metering.htm


Or with understandable words ;):


http://web.canon.jp/imaging/enjoydslr/part2/2E.html