The ornamental design for a mediastorageunit, as shown and described.
FIG. 1 is a front, bottom, and side isometric view of a media storage unit
showing my new design, it being understood that the opposite side view is
substantially a mirror image thereof, the only difference being the screws
on the rear and not on the front;
FIG. 2 is a rear, top, and side isometric view of FIG. 1, it being
understood that the opposite side view is substantially a mirror image
thereof, the only difference being the screws on the rear and not on the
front;
FIG. 3 is a fragmentary sectional view taken along line 3--3 in FIG. 1;
FIG. 4 is a fragmentary sectional view taken along line 4--4 in FIG. 1;
and,
FIG. 5 is a fragmentary sectional view taken along line 5--5 in FIG. 1.