So few lenses for full frame? Am I the only one?

The 28-75 f/2.8 has a focal length range of 45-120mm on APS-C which many consider very limited. It really is a lens designed for full-frame as are many lenses in this category (wide-to-tele, e.g. 24-70, 24-105, 28-135, etc.).

But if that is what you want, Tamron also makes a 28-105 f/2.8 for FF which covers a wider range (and at the long end 105mm and 120mm have very little difference); or you can get the Canon 24-105 f/4 IS.

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Howard
cameras: 5DII, 50D, D60, Rebel 2000 (film)
lenses: 17-40 f/4 USM L, 24-105 f/4 USM L, 100-400 f/4.5-5.6 IS USM L, 24 f/3.5 TSE L, 35 f/2, 50 f/1.4 USM, 100 f/2.8 IS USM Macro L, 300 f/2.8 IS USM II, 430 EX II, Kenko Pro 300 1.4x TC, EF 2x TC III
personal website: http://www.travelerathome.com
blog: http://travelerathome.wordpress.com