Apologies if I've overlooked an earlier mention of this.
The Foglios are
Kickstarting the latest Girl Genius volume, The City of Lightning. The Kickstarter runs through April 12th and is fully funded, with the book for backers at $10 PDF/$25 softcover/$50 hardcover. The previous volumes are also on sale for mostly $4-5 apiece as watermarked PDFs at
DriveThruComics.