I personallly do not like Matt Smith as the doctor. He just isn't as engaging as David Tenant was.
However, I concede the fact that Matt Smith has a better script to work with more often than not. But I've noticed some glaring holes in some of the solutions presented by this new team of writers.
1) Would someone please explain how the doctor returns at the end of season 5? Personally I hated that season finale it was utterly anticlimactic.
2) They often use "perception filters" as the excuse for why people do not notice things.
3) Season 6 was horrible. There wasn't any tension in the build up to the finale because you knew what was coming, and you knew the Doctor wasn't going to die anyway.
Overall, I prefer the Tenant era despite the shoddy writing which held it back from being truly great. Matt Smith's Doctor simply isn't the character the show needs him to be. I often get bored watching Doctor Who these days, which is a shame. The script may be tighter, but the plots are becoming a little obnoxious. At least with David Tenant, bad writing aside, the season finale was actually exciting. Case and point: The Master taking over the world and turning the Tardis into a paradox machine.