I've got a few:
Gamma Ray box set mentioned earlier
Helloween - Pumpkin Box
Whatever Blind Guardian box sets exist except for the stupid new one
Miley Cyrus: The Hannah Montana Years
Coheed & Cambria - Neverender
Coheed & Cambria - Year of the Black Rainbow box
Iced Earth - Dark Genesis box set
And possibly a few others... I haven't bought any in a while aside from Coheed box sets and probably won't buy any non-Coheed box sets in the future unless they're really awesome.