Source: http://www.hardspell.com/english/doc/showcont.asp?news_id=1339

A newer revision of the PSP will be on the retail shelves pretty soon, as stated on hardspell.com, the new PSP will weigh around 189g and will be 23mm thick. It will sport a few colors when it is retailing - black, white, silver, pink, blue and purple. Those who have yet to buy the PSP will want to consider waiting for this new revision.

As for those who have bought the PSP and regrets it, well, cheer up. The hardware specs are almost identical, except it will have a brighter screen, a more responsive UMB, a more powerful battery and also it will be offically support 8GB memory stick. The screen size will still be the same although according to Gizmodo, there is a video output option from the PSP as well. Known as the PSP Lite, it will be retailing on 20 Sept and according to hardspell, there will also be 77777 Final Fantasy 7 10 year anniversary packs selling as well.