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Can't really figure out how that works. I look at this page on drivetrain compatibility an awful lot and it seems to suggest Campy/SRAM aren't compatible. Also (in general) only the 10-speed SRAM stuff is compatible between MTB and road (though you can bodge together 11-speed road shifters and a 10-speed MTB derailleur). But if you've got it working that's cool.
I had the same problem with the inline shifters (though I've got SRAM road levers not Campy); took about a month for them to arrive in the post as my gears and shifting slowly got worse and worse.
It works fine now though, and clutch mechs are a revelation. Although I think I may need to replace the outers as the shifting going a bit off again.
frankenbike-
That's strange - this is the website I found: http://www.velonews.com/2008/03/bikes-and-tech/can-you-run-campy-shifters-with-a-sram-drivetrain-sure-why-not_73404
My exact set-up is: 10sp Campag Veloce shifter, SRAM X7 rear mech, Shimano HG81 SLX 10sp Cassette, KMC 10sp chain.
I'm guessing I've either created the perfect combination of parts/brands or the barrel adjuster won't make any difference, and I'll be limited to 95% perfect shifting.
Harry 
@slothy I read somewhere that Campag shifters work with SRAM road rear mechs, and read separately that SRAM road shifters have the same pull ratio as SRAM (X-series) mtb mechs. Ergo (pun intended), Campag shifters should work with SRAM mtb mechs.
As I say, my current shifting is 95% perfect but I still need to add a barrel adjuster. It's due to arrive this week so should be able to report back this weekend.