naw there aint sh!t out for it yet, that I have seen, just a compiled web browser, and a bunch hoaxes. Keep in mind if you flash the rom you are voiding your warranty, sony seems to be pretty stingy about there framework/sdk so, google up some homebrews, and link 'em if you got 'em.
oh yeah sorry for my delayed reaction, check www.psphacks.net GOOD LUCK lemme know if you get some hax