Phones Programs/Partners - Cheap international cell phones for Japan?

Hello. I'm going to Japan for 6 weeks and will be needing a cell phone. Should I get one from the US and take it there or rent one in japan? How much is it and who would you recommend? Thanks
Peter
pechung@yahoo.com

Hello. I'm going to Japan for 6 weeks and will be needing a cell phone. Should I get one from the US and take it there or rent one in japan? How much is it and who would you recommend? Thanks
Peter
pechung@yahoo.com