I just found out that there's gonna be a PS2 version of Ratchet and Clank: Size Matters!
Here's the link: http://www.gamestop.com/product.asp?product%5Fid=281859
and here is a picture/image of the front box cover:
The release date is March 12, 2008.
The game will cost $29.99 U.S.D. before tax, $32.31 U.S.D. after tax.
If you have any questions feel free to post them here in the thread.