I do like Jeremy Northam too. I liked the 2007 Persuasion in general, and their final kiss is heartwarming (I find it a much better ending than the 1995 on a ship one, even if it was legally impossible for Wentworth to have bought Kellynch)...
but their first kiss is soooo unbelievably long. There's hestitating and shyness over a first kiss (or at least first kiss in 8 and half years), and then there's Persuasion where it takes forever. They really overdid that bit. It's practically as long as the proposal letter.
In fact, I don't like that whole scene:
Anne running all over Bath to find him, in a frankly implausible way (I heard it was supposed to represent her inner turmoil or something, but I could do without that being shown in such an anachronistic way)
Ending up about 30 seconds away from her own front door, so why does Charles leave her with Wentworth?!
Rushing the revelations about Mr Elliot
The actual kiss build up - the shot of her mouth is so close that you can see her spit several times, it's quite offputting
Wentworth makes little to no effot to kiss her until she's been hanging there for at least 20 seconds (which feels like a lifetime), she has to do all the work.
I mean, I still think it's romantic and fuzzy if I don't let myself analyse it too much. But given the quality of the film overall, I thought that scene was a real letdown.