Hey all - thought I'd get some insight from you guys...also posted this over on the tandem forum as well, but I think most of the time I'll be using this for commuting and just be switching it over onto my tandem for the weekend rides with my wife....

Looking for a trunk bag for my commuter bike during the week to get to/from work. Going to see if I can get away with using that instead of investing in a pannier, so I *think* the following are key considerations:

- ease of removal from the rack
- handles/shoulder strap for carrying when not on bike
- "weatherproofness" - don't know that I've seen any that come with a rain cover like some panniers do...is that because many of them are already waterproof?
- space to accommodate my work clothing (typically just a towel, pair of dress slacks and a dress shirt...I can keep shoes and other stuff at work)
- space to accommodate a small amount of tools for commuting, a larger amount of tools for tandeming
- durability/quality of construction (are the inexpensive Performance/Nashbar bags built well?)

What are you using?