Or how about, no. (to OP)

The expansion (3.0) has already been planned and prepared. If anything you would be better off making suggestions for the second expansion. Because they won't be taking anything you could think about and post on these forums about a new Job and suddenly add that in for an already planned and created expansion. The core of 3.0 is likely already completely finished, and if they are doing anything else with it it would be fine tuning and small details/adjustments as well as bug testing.