I just recently got a road bike and was tossing up the idea of throwing a rack w/trunk bag on it, instead of getting some cycling jerseys just so I can have the little back pockets to carry necessities (tube, pump, keys, etc). I'm wondering if anyone here has any experience with these trunk bags:

Jandd Rear Rack Pack Economy
http://www.jandd.com/detail.asp?PRODUCT_ID=FRRPE

Lone Peak RP-200
http://www.lonepeakpacks.com/rp_200_bg.html

Transit Metro Trunk Bag
http://www.performancebike.com/bikes...rue&quantity=1