Personally....I was expectin 150-200 K, but 100 is definitely not bad by INDUSTRY standards....and not SUPERSTAR standards. If he was part of G-Unit or Aftermath, or was a superstar at the level of Em, Jay, Dre, Snoop, 50 Cent, etc etc (we are sayin superstar overall in the game who always sells a lot), then yeah this would be dissapointing. But people nowadays get too caught up in first week sales, as if it's the only week that counts. Companies are much more concerned about the longevity of an album on the charts.
And think of it this way...sales aside, he debuted at #3 on the charts overall. Even Dre 2001 NEVER reached #1 on Billboard, and it debuted at #2.