The Replicants. OK! From the off I have to say I'm hardly the right person to take as gospel as regards a review for yet another home invasion movie. I have grown increasingly jaded with this sub-genre of horror, it seems that every year a handful of these type of movies get trundled out and suckers like me keep watching in the hope of finding a gem amongst the rough rocks. In Their Skin isn't a gem, in fact it's not exactly a must see frightener, but it at least tries to add something to an already stagnated sub-genre of film. Namely an identity theft angle that veers away from the usual…