Pros
Good Contracts for those with the right talents, like any other contract company, but these people have good contacts that find good jobs. My fit was perfect and the manager and recruiter who represented me did a great job, with no crap - like Joe Fridday - Just the facts. I was brought in to a job before it was even advertised, so I had a jump on the competition which was a great advantage for a difficult position
Cons
Contract work always has the downside of time scale that can bite you, but that the the contract not the employer