To understand why fans say the zip is better, you have to compare the "lost" tracks to the filler on the retail album.
One of the most hilarious pieces of evidence for involves the timing. The original leak hit the net and fans were raving. Then, Kanye dropped Stronger . Interscope got scared. Rumors persist that in the final two weeks before mastering, 50 scrapped 4 street records and replaced them with club anthems. 50 cent curtis zip better