I have a Givi Maxia box which i bought 2 years ago and used on my NT700. I've since got the mounting plate and use it on the Ten and i have to say that its a first rate bit of kit - very rugged, easy to use and totally reliable to date.
I wanted more luggage capacity so looked into Panniers to supplement the Maxia. T'Tech & Metal Mule ones look great, but a grand?!?!? Far too expensive. So looked at the Yamaha ones but even they are pretty salty on the price and there seem to be issues with the locks according to some folk, so i plumped for the Givi V35 cases and fitting kit. I used First Line Motorcycles in Arnos grove, North london and they do great deals on Givi stuff - I paid just short of �370 for the boxes and the fitting kit, I am chuffed with that price, i think its great value and i'd recommend First Line to anyone - Superb!