collisions have been found for MD5/4, RIPEMD, and HAVAL-128, by 4 of Chinese academics, (from Shandong University / Shanghai Jiaotong / Chinese Academy of Sciences). If anybody wants a copy of the .pdf file (there's nothing much in it, just an mathematical equation of how the collision was derived, and 2 sample collisions for each hash function), PM me or something, and i'll be happy to send.