PressPlane is a new Seattle startup coming out of the Curious Office incubator. I have no idea what it does but it seems like everyone who's involved in startups in Seattle is in the know. Or at least I hope they are, because they just invested in the company. They've announced a $1.7 million round of financing today that was led by Second Avenue Partners. And the list of individual investors is impressive: Mika Salmi (MTV President / AtomFilms founder), Rich Barton (Founder, Expedia / Zillow), Erik Blachford (former Expedia CEO), Andy Liu (BuddyTV), Alex Algard (Founder, Whitepages), Geoff Entress (Madrona), Andy Sack, Adrian Hanauer (MLS Soccer, Curious Office co-founder), John Cunningham and Dough Rowan (former Corbis CEO) all participated in the round. What does PressPlane do? The site says "Making Your Business Life Easier" and asks you to sign up for the upcoming beta. Curious Office describes the company as a "buy and sell marketplace" like another of their startups, Imagekind ( acquired by Cafepress earlier this year):