I have both the 2001(8,4) and 2002(10,0) airblast. There's a huge difference in the quality. The 2001 is delaminatet, while the 2002 uses dacron and is still in good shape! Love the 2002 AB! This summer i have also flown 03 Fuels, but I think it takes alot of effort going upwind(large sizes)....any ...