Availability info on laptops and graphics chipsets

Greetings,

My company is working on a new (unannounced) business software program that will be intended mostly for laptop users. The program will also be relatively 3D intensive (compared to what business apps typically require, which is nothing).

What we are looking for is some information on what percentage of laptops "out there" currently use ATI, Nvidia and Intel chipsets, what these chipsets are capable of, and what these expected numbers and capabilities are going to be about one year from now (when our program is going to be released).

Does anybody know of a holy grail for this info? It would be greatly appreciated.

Many thanks,

jm