Any of Cherie Priest's books:
http://www.amazon.com/Cherie-Priest/e/B001IOFIHM
Some of China Mieville's books border on Steampunk i.e. Perdido St. Station:
http://www.amazon.com/China-Mi%C3%A9ville/e/B001IQUN20
Jeff Somers Avery Cates series is a mix of steampunk / scifi / post apocalyptic tech integration, not so much steam but I know a lot of steampunk friends love the series and so do I:
http://www.amazon.com/Jeff-Somers/e/B001IODGWQ