i would definitely get a club floor room. the key is that you'll get a much better room on the club floor than not. there are some rooms in that hotel that are tiny.
i don't think you need the breakfast option, the club lounge breakfast is decent and the evening cocktails are pretty good. you'll get free continental breakfast as a regular GP member anyway.
as Fly Me To The Moon previously stated this area is undergoing massive development so there are lots of things to do. i think you will enjoy your stay there.