I really like it. It's not free to be fair, but I've given the 5 day free app and website trial a go and am seriously considering signing up for a few reasons.
It is more uk based and I like the pictures to make finding foods easy.
You can see the cals per portion before you log it on your diary, so if it doesn't match the food you ate then you can tell before you add it.
It synchs in a more sensible way with my fitbit. I want my fitbit linked, but mfp always over estimates the steps I'm going to use in the day, gives me calories then takes them back again in retrospect the next day.
It has different price choices, but I'm liking the 3 months for the price of 2 as it means it's approx £2 a week - a lot cheaper than the likes of ww and no faffing with points.
It still has a forum and a space to make notes about your day - which I use in advance to plan my meals for the day.
Not selling the site, honest, but I've just been browsing back through old threads, found someone recommending it and want to say thanks. :)