The thing that made me suspicious of the link between MoS and Goodmans were the similarities between the 'power tower' systems - both stocked by Argos. I'm sure they (MoS) get their hardware from a variety of sources though.
Checking out the specs, I'm still not convinced by the micro system. 4.5 watts/channel + 7 watts for the sub seems very low, even for a compact setup. I'd go for a second hand Denon system, with the option of changing the speakers to suit room size/budget/listening preferences. Look for something that puts out 20 to 40 watts per channel, pair it with some efficient bookshelf speakers, and you can always add an active sub at a later date. Either that or check out the Richer Sounds website and see what they've got on offer - the nearest stores to you are Reading and Oxford. You might end up with something that doesn't look quite as good, but it would probably sound a whole lot better.
I'm from Micklefield, me.