I got a Tamron 17-50 2.8 to replace the kit lens and find myself reaching for this beauty less and less.
Glass is clean with a minute spec of dust inside - so small I couldn't get it to show up in pictures. The body would rate at a 9/10 - there are a few micro-scuffs on the plastic.
SOLD - $280US for a great lens. Check my ebay feedback under ja7on (100%) and a couple of good transactions here.
Would consider trades for a 550ex flash + a bit of $$$.