Found this one on Kolobags (my fave: http://www.kolobags.com) but they have crappy code and won't parse here. Long story short, it's iPad awesome and cross body.

This will ship to london for a total price of 170USD, i think this is a hell of a bag. I planning to get one for myself also. EVERY COPPER RIVER BAG IS HANDMADE WHEN ORDERED AND COMES WITH A 100 YEAR WARRANTY. We do not stock pile or mass produce our bags with some

I have this in the backpack style, but used to own the sling. It's really slick and super high quality. You can buy the brand at the Apple store in the US...probably can buy it in the UK too?

Black Fashion Leather Convertible Crossbody Shoulder Handbag For Women Brand: MAVEES Material: Top Cowhide Leather Use?Handbag, Crossbody, Shoulder Color: Black/Blue Weight: 0.87kg Style: Totes & Shoppers & OL Method: Zip Closure Gender: Women's Size: Medium Dimension: L43cm* W15cm* H36cm Interior Structure: Passport, cell phone, Interior 1 zipper pouch, 1outside zip pockets and inside zip pockets