I was checking it out on Amazon.com and the reviewers have so far given it 4 1/2 out of 5 stars. They mentioned that the biggest pro is of course getting a chance to read nearly 500 comics for only $40.00. The biggest con though is that the issues are all Uncanny X-men, so any crossovers that went into other x-men comics are not available, leaving some gaps in the stories every now and then. I plan on getting this and the Spiderman one pretty soon.