Here are the latest snapshots of jpcsp. Changes includes improvements in adhoc, (intial support for ProOnline) ,fixes to GE and export of 3D scene to obj format as well as texture export support.
Also don't forget pspudb a tool is being developing from jpcsp , pcsp team and it's a frontend that includes support for all the above emulators.Check it out at : http://www.pspudb.com