Here's a handy little site for those of us that travel a lot or a little:

http://www.onebag.com/

If you travel at all on business, this is a great resource to check out.

Need to pick a good quality travel bag?
Want to know what the YKK letters stand for on a zipper?
Need some strategy on packing clothes? Liquids?
Making a checklist?
Is it prohibited on a plane?

Here you go.