www.google.com 

www.yahoo.com

www.msn.com 

 www.dogpile.com 

www.psp-hacks.com

http://mob.e-messenger.net/mobile/

http://webaim.net/

http://www.pspirc.com

http://google.com/translate_t

http://www.psp411.com/

http://www.p-tv.jp/

http://psp.ign.com/

http://www.ebay.com/

www.pcworld.com www.askjeeves.com www.sony.com http://www.pspsaves.net

There is a new downgrader for the PSP.  MPH downgrader is safe and you can get it at www.psp-hacks.com in the download section and there are plenty of people to help on the forums.