Originally Posted by eva2000 
Curiousity really... everyone keeps going on about the tamron 17-50mm 2.8 over the sigma 18-50mm 2.8 ex macro so thought i'd try the tamron out for myself (good time before price rises on Jan 1, 2009)
I guess you are going to have to do a little "compare and contrast" review for all of us.
Steve