Top box and panniers, what you got?

[sinto607276]

I have not got it yet, but I am looking to buy a tankbag that can fit my huge 15" laptop. So far the best one I found is SW Motech Bags Connection series the model is Evo Sport and it is 40 x 34 cm. My laptop is 38 x 28. Most tankbags are tiny often too narrow. Even "touring" ones rarely have width more than 25cm.

You'll probably find it easier to get a smaller laptop that you can fit in the vast array of available bags out there.