Update on the roof basket...
I decided to pull the trigger on a Rola cargo basket.
Looks good, 5" tall, good price and positive reviews. It only cost $184 shipped from etrailer.com and the quality is suppose to be pretty good (according to the reviews).
http://www.etrailer.com/Roof-Cargo-C...ola/59504.html
I'll update with pics once I get the rack.