i say yes too...
the packaging on most cd drives say if a drive is able to be mounted vertically. . .cause not all drives with trays have the nubs to be able to hold a cd into the tray if it's vertical. . .but most of them do
2003 Mazda Protege5
Molded Xenarc touch Screen
Via M10000, seagate 40gb, 16x laptop dvd, RS gps
EDAC 55w dc/dc
homebrew shutdown controller
2 power acoustik 10 FUBR's, A1800DB mono amp, AH600 to power mids and highs, pioneer speakers