I like my trunk bag with the built in panniers for that little extra room needed for unforeseen occasions.
Having sad that...I've switched to a pannier for most times, as my fully loaded trunk bag made my bike a little top heavy. SoI moved it to my mtn bike.
__________________
Hey, I'm just this GUY...you know?
>>>Team Critical Mess<<< (You mean it's not SUPPOSE to hurt?)
My nice new Nashbar Touring Build AKA "The Flying Avocadooooooooo!"
1998(?) Trek 700 Multitrack
1995 Trek 1220 AKA "Jimi"
Older Non-suspension Specialized Hardrock