I have both matte black and gloss black icon helmets... I find that the gloss black is easier to clean... the matte black absorbs more crap..... I like the gloss..
When you're viewing from the inside-out......it's up to personal taste. If you're planning on getting it scuffed, get the matte. If you're planning on babying it, get the gloss, it'll show the graphics better. In the end, choose what you want bro, hopefully you won't have to worry about the "scuffs".
In my opinion, depends on the graphic, color and helmet. That Helmet is sick though. I woould buy it matt over glossy! Good Luck. I would say, buy what y YOU want. It's your money!