You can identify this first user group by searching on secular requests - Novel showed us the first line is around Adobe clients. Dreamweaver ( which work OK now ), Photoshop, Flash, InDesign maybe - so webdesigners + DTP peoples can be 'the first' client.
They are many millions now - no doubt they are more important than gamers.
All those users need a fluid experience ( install ) - and I ask myself - is so impossible a kind of deal with Adobe to help that ?. John Nack respond me they already do that ( they work with Wine ) but I'm curious if they really do a single step on this direction ...