Pros
Disciplined decision making and the opportunity to impact the whole computing ecosystem. Intel like most big companies allow you to make career changes without changing employers. From a benefits perspective both the sabbatical every 7 years and their 401k contributions are awesome.
Cons
Intel is no longer a growth company. The layoffs in 2006 were handled in a random and unprofessional manner which shattered the morale of the company. The real culprit was senior management being distracted with the Itanium processor while AMD out innovated Intel with Opteron to grab 30 percent of the server market share. Intel is now attempting to grow by reentering the stand alone graphics market (which it failed at miserably in the mid-90s) and selling millions of Atom processors at $10 each.