This article doesn't say specifically that there are new episodes but, imho, looks promising
http://www.kidscreen.com/articles/daily/20080404/cn.html
"Additionally, the net's The Cartoonstitute is up and running and looking to create up to 150 pieces of programming over a period of 20 months. Power Puff and Foster's executive producer
Craig McCracken is spearheading the new in-house, artist-led content hatchery with help from Dexter's Laboratorycreator Rob Renzetti."