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I reckon you can, especially for the money. I'm starting to go off TRP's offerings. Despite having awesome initial braking power, they don't maintain it over time. I've also found CX77's to be the easiest to set up to bite nearly as well with normal cables and very little pull.
Chak-
I agree, the newer Shimano levers work a lots better with disc brakes nowadays due to the difference in cable pull (compared to the older 10 speed 105/Ultegra/etc.).
I've been building up quite a fair number of bicycles with various brakes recently, from BB7 to HY/RD, and so far, the CX77 is the easiest and simplest to set up, it already felt quite good with normal housing, even my Tektro Lyra* which was reportedly one of the worse road cable-pull brakes was great with 5800 levels (with normal housing).
Gonna put Yokozuna Reaction on the bike and see how much of a difference it'll make.
*as long you ditch the original wavy rotors.
edscoble
Are those Ultegra CX77?
I'm getting some for my new carbon road disc bikes (paired with 105 levers), I reckon I can get it to bite as sharp as a dual pivot brakes.