Hey guys, i was looking at the giant ocr 2 and the giant ocr 1, and noticed they have different types of aluminium. How much better is the Aluxx SL than the Aluxx standard. Also, do you think the 2005 ocr 1 is worth the extra money (is it possible to get for about US$950??) considering it has this new aluminium and a carbon rear triangle? Or maybe even the tcr 2 (alloy) or tcr 2 aero are a better buy. Keeping in mind i plan on using this for commuting and club cycles, i'm on a limited budget. cheers.