I know this is an old thread but just thought I'd reply...
I've been involved with MF martial arts for a couple of years, so will give an objective review:
MF offered the flexibility that other clubs didn't e.g. if you can't make a session, you can attend a different class at a different location on a different night. Good for people who struggle to commit to one night.
It is quite expensive for one person (£45 a month) but... if there are 3 of you training from the same family it is £25 a month each, so much better value than other clubs in my area that charge £35 to £40 a month. They encourage families to train together. It is very family orientated.
Lessons include a mix of kicks, punches, hand drills, kick boxing drills, self defence and fitness.
The belt system for younger kids is ridiculous, but for under 7s it is about confidence and awarding effort, rather than how good they are. As an adult or junior, it becomes more serious. Kids move onto a badge system first. Yes, they do put some shockingly untalented kids through to higher belts, but they cannot pass beyond red stripe belt if they are rubbish. After this point, all gradings are very long panel gradings which are brutal (apparently).
My biggest and only gripe with MF is the cost of gradings. They are too expensive and make it feel like it's more about money than talent. If they made them much cheaper (to cover the cost of admin, belt and certificate) then the MF martial arts would be brilliant. It is just this part that really lets it down.