Hi Auburn,
I like good brakes. It sounds like you have new 280 rotors and pads, and as you probably want to keep those parts, I won't go into those. This is what else I would do if it was my bike:
Calipers:
http://www.yoyodyneti.com/ProductInfo.aspx?productid=20.5165.58 and
http://www.yoyodyneti.com/ProductInfo.aspx?productid=20.5165.68Master Cylinder:
http://www.yoyodyneti.com/ProductInfo.aspx?productid=10.6870.10Caliper Adapters:
http://www.ducpower.com/ click on: "New Performance Parts" then "40mm Brembo 4 Piston Caliper Adapters"
The calipers should be available almost anywhere. The "996 style" master is a good one, I have one on my race TT and love it. I would always work with Ed Milich (Ducpower.com) and he may have all the parts you need. Use used brake parts at your own risk, at least know where they came from.
Bill