Large case for mITX is also a benefit but a con if you are trying to make a small computer. The large case allows crazy large power supplies, large video cards that are up to 11.5" or so in length and even full size blu ray drives.
-Nice fans that with fan controls are extremely silent; -included fans push a lot of air; -can fit larger components than any standard mITX; -great quality case for the price; -mostly tool less design; -clear window on top of case; great way to check your fans or lights; -can fit a full size blu...
-case is large for a mITX (but also a pro; -cable lengths are ridiculously long; -cable routing could be somewhat better