Japanese iRiver firmware hack

Haven't jumped on the iPod bandwagon and upset that iRiver is still slow with its firmware updates? If you've got a Japanese H-series player, an independent group has released a firmware customizer, which lets you mess around with the look and feel of your player. Of course it could also completely mess up your player (and void the warranty), so play at your own risk, but if you're the impatient (or adventurous) type you could give it a go and hope for the best.

[update]

As you can see from the comments, the author says its cool for US versions as well.  And

here it is

thanks  stripwax