To keep things separated, like @Vitaliy_Kiselev suggested, let's talk about the FilmCity MB7 Mattebox here @fotosiamo.
Seriously, for like the 230$ I paid at the time (can't find it anymore on ebay), it's a solid contender for such filter sizes. Filter trays are ABS plastic, not aluminum like the RedRock Micro, but again, at ¼ of the price, that's something I can live with. It's virtually a blueprint of the RedRock Micro one in almost every aspect. As for the swing-away mechanism, it's pretty much the same thing. Not the best design, but works pretty well. The whole thing isn't heavy, despite the size of the MB. It's lighter than the CINEMATICS, as it's not 95% metal.
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