JTEK SHIFTMATE FOR THE BEST IN ITALIAN-SUSHI SHIFTING!
http://jtekengineering.com/shiftmate.htm

Stocked by the best shops to work with Campy which has a 29 as their largest 10 spd cog.

PS - SRAM at least makes an 11-28 10 spd cassette.
I've thought about the shiftmate and I may go with that option. It's one of those things that hasn't actually bothered me enough to fix.

The 11-28 is a bit of a conundrum to me. Previously, I had a 28-42-52 and a 11-34 (9-speed obviously). I noticed that while the 28x34 was good for certain circumstances (like riding my bike fully loaded over the Cascades), I didn't use it for much else and when I did get into that gear while climbing, I was pretty much stuck. Likewise, the 52x11 was only used for 50 mph+ descents.

I spent some time thinking about it and decided if I could part ways with my bailout gears and the hyperdrive (as in "Making the jump to hyperspace..."), I could probably come up with a more useful combination. Hence the move to a 30-40-50 front and 12-27 rear. For 99% of my riding, I'm happy. At the low end, I can make a pretty smooth transition from climbing speeds to normal riding speeds. Also, it's made me a stronger climber for obvious reasons.

There are times when it would be nice to have something just a little bit smaller. If you know of someone that makes a 28 tooth inner chain ring that is compatible with a Campy triple, I'm all ears.