Personally, I'm giving it a few more shows. Hopefully the new challenges they film will be better and the chemistry more developed. If it stays at this level, I probably will stop watching on a regular basis, but check in from time to time. I also think the show is too short. The full UK version is an 1 hour, versus 44 minutes for the US, without commercials.
One things for sure. Since the US show is being produced by BBC as well, the producers should know what makes for a good episode. They've had a long time to get it right.
EDIT: I don't think it's an elitist attitude. I think it's a spoiled attitude. Those that have been watching the UK version are expecting more. Those that have never seen the UK version probably think the US version is great - which it probably is.