I have no idea what I'm doing.

Current Kit:

Canon EOS 450D (Rebel XSi / KISS Digital X2)

Sigma 10-20mm f/4-5.6 EX DC HSM

Canon EF-S 18-55mm f/3.5-5.6 IS

Canon EF 50mm f/1.8 II

Canon Speedlite 430EX