I'll have to keep the sig in mind more -- while I had a few issues (not quite knowing what to make of my build at first, for one, and getting shredded by sins, for another), my hesitation on the sig was less "wait for the monk to buy it" and more "I don't know when everyone revives" and "I don't want to pop someone back into a nasty insta-kill". I'll chalk both up to a complete lack of PvP experience for now.
In any case, I definitely had more of a feel for the Mes build by the end, and with a little practice, I might even be able to make myself useful.
After a good few months of not playing, I had a blast GvGing with you folks.
As a sorta-sidenote: Is there a decent way to 'remember' enemy targets? What I mean is that for allies, you can do the 1-8 targeting thing, but afaik, there's no equivalent for enemies. When things get really bunched up with pets, it can make it difficult to pick the right target (either it's sketchy to pick 'em out with the cursor, or tabbing takes more time than is reasonable) if it's not being called, and it'd be nice if I could make note early on that "Enemy Monk = 3" and know that hitting a key combo will lock me on to him. Didn't see anything in the hotkeys, but it's entirely possible I missed something.
In any case, I definitely had more of a feel for the Mes build by the end, and with a little practice, I might even be able to make myself useful.

As a sorta-sidenote: Is there a decent way to 'remember' enemy targets? What I mean is that for allies, you can do the 1-8 targeting thing, but afaik, there's no equivalent for enemies. When things get really bunched up with pets, it can make it difficult to pick the right target (either it's sketchy to pick 'em out with the cursor, or tabbing takes more time than is reasonable) if it's not being called, and it'd be nice if I could make note early on that "Enemy Monk = 3" and know that hitting a key combo will lock me on to him. Didn't see anything in the hotkeys, but it's entirely possible I missed something.