Have a look at the projected monthly incomes for these guys working part-time in Second Life and Entropia - up to $4,000.
With Gartner Research predicting 80% of active internet users will be in virtual worlds by 2011 there are great opportunities here for enterprising students with the right skills mix.
The kind of skill mix that one might develop in SDI: Interactive Media :-)
You can read more about why Mike got the job here.