I have the same dock but mine doesn't have the built-in tape dispenser, mine has a built-in stapler. Same dock tho, just a different option.
Loving my Droid X. Previous phones: Eris, Droid1, BB Storm, BB Curve 8330, LG Dare, LG Chocolate 1 & 2, and lots of other LG dumbphones...
Mine is the Bottom edge of my LCD monitor. Holds it nicely in place. ;-) And it cost more than yours :-P
Sometimes a "smartphone" is only as smart as its user.