ive got the same xbox pjams and ive had mine vertical since i got it with reach last year and its fine.You can turn of the xbox whenever u want dont worry and discs wont come flying out lol.Noone seems to mention much games so if u like AAA games ill tell u some that i have and are awesome.
Halo reach, Splinter cell conviction, mass effect 1 and 2,forza 3, alan wake.
Thats 1 hell of a starter pack id say







