memorex 4x dvd-r?

[CactuSaq]

anyone tried these with the xbox for games? if so how were they? and finally if i could get the 4x dvd-r is that a good price if there only a dollar a piece?

[timex]

im using the memoex dvd-r and backed up all my games with no media problem, althoug i cant seem to back up my last game, enter the matrix