I've decided to change to another bike as my primary road bike, and I do have most of the parts already, but not all...

What I have:
Parlee Z5 M/T
Campy Record (10-spd) shifters, R/D, F/D
Rotor 3D Quarq with 50/36 Q-rings
Stans Alpha 340 laces with CX-Ray to Alchemy Elf/Orc
Campy Record 12-25 cassette
Zero Gravity brakes
Rotor S3X stem
3T Ergonova Team handlebars
Prologo Scratch Nack saddle

Still need:
31.6mm seatpost with 15-25mm setback
Parlee PF30 to Shimano cups
Cables/housing (thinking Alligator iLink cables...)

What seatpost would you guys recommend? Don't want to spend an absolute fortune so although the AX-Lightness probably would look great, it's way out of budget (which is blown already... didn't plan to buy yet another frame...)

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"Suddenly the thought struck me; my floor is someone elses ceiling" - Nils Ferlin

The FSA K force seatpost is not particularly super light, but still light nough I guess. not too expensive either. there is a 25mm setback version that should suit your needs. looks killer, too and quite easy to match any bike.

I think the Easton EC90 seatpost is nice too, but it's more expensive. not sure about the seta\back options.

You may want to consider then Deda zero100 as well, but t\it's abit pricey.

A thomson wouldnt match the parlee. so I'm against that.

question though, since you've gone 3T/rotor for your finishing bits, why not stick with them? 3T seatposts are decent.