I've been carrying a Surge for about two weeks now.
I like it, but not quite as much as my PowerLock. I'm sure it will grow on me, and it has done everything I needed it to do so far. I even used the Surge to break off a bolt (1/4-20, using the pliers) and it didn't even wimper.
One thing I don't like is the sheath. I also carry a Surefire L-4, and it wouldn't fit into the elastic on the original sheath. I'm using a Supertool 200 sheath, that has a flashlight loop on it, and it is working out well. I'm currently designing a leather sheath that will fit the Surge, the extra blade carrier, and a toolbit set, with the loop on the side for my light. I have made leather sheaths for all of my other multitools, and each have the side loop for my light. Makes it a more compact package than using a double nylon type sheath.