Pros
Let me start by saying I truly enjoyed my 18 months at Gartner SMB in Fort Myers. Great facilities and the weather is incredible year round (minus July and August) and Gartner hires some incredible young professionals who are a pleasure to work/hangout with. Upon leaving Gartner you will find that the name recognition and experience is invaluable. If you are fresh out of college this is a tremendous opportunity.
Cons
Gartner SMB's motto is "growth engine" and they truly mean that. Tenured AE's are phased out by 3 more fresh out of college faces who are slightly less capable but equally profitable in an inside sales role. They claim to be hiring 600 more individuals in the coming year, do not look at this as a good thing as territories become more scarce and individuals devalued. Managers are often middle of the road AE's who lucked into quality books of business or were too bought into the kool-Aid to realize there are better opportunities. This leads to a perpetual cycle of talented individuals leaving due to poor management and less talented individuals getting promoted. If you are an aspiring end-user AE my advice to you is fight for a vertical (finance or healthcare). A major issue with Gartner and the employee churn is random books of business, landing yourself on a vertical greatly increases your chance of success. Recruiters will also falsely portray the opportunity to achieve a field role within the first two years (absolute minimum 27 months if politic'd to perfection) as well as the percentage of employees who actually achieve OTE. A few smaller issues are the quarterly meetings that are actually just 4 hour pep rallies. The traffic will greatly increase in the winter months due to snow birds. You will have to stay late at the end of each quarter and vacation time for the Christmas and New Year holiday weeks is non existent.