I have been through a lot of laptop bags and a variety of styles. My recent bag I got for Christmas is the best so far. It's the Timbuk2 Commute laptop bag. To me it's the perfect fit. It's not too bulky and carries the accessories I need. The Commute costs more than the avverage bag, but to me it's been well worth it.
I've found a good web site with discounts on Timbuk2 bags that make it pretty worthwhile. My bag was purchased at REI locally to me. It's a medium and fits my 1530 good. The battery is a little snug in the sleeve, but it fits better than my old 1520 did.http://www.timbuk2.com/tb2/products/laptop/http://www.academicsuperstore.com/ma...68775&x=42&y=4
Academic Superstore also has a good selection of other manufacturers. It also looks like Timbuk2 expanded their line of laptop bags. State.Ops your bag looks pretty tempting to my Marine Corps heritage.