In all honesty, Federer did not look like he wanted to be in Rotterdam. His win over the WC Thiemo de Bakker in the Round of 16 wasn't real sharp, IMO. And, then he came out and looked lax from the start against Bennetteau and was getting taken to the woodshed for the better part of a set and a half before he tried to crank it up. I believe he came from 2 breaks down to get the second set even before losing at the end.
I expect him to look a little more focused in Dubai, but we'll see.