>>TFS for large scale enterprise, hands-down. Real big enterprise cannot use TFS without being in a mess with merge. You always have to merge to a parent which

>>TFS for large scale enterprise, hands-down. Real big enterprise cannot use TFS without being in a mess with merge. You always have to merge to a parent which require a lot of organisation. Also, it's not the fastest source control when the code base is over few gigs per branches. With over 50 developers/testers (in the same project) we had reach a bottleneck with TFS.