I'm sure you will like the LD10. Lord knows I do. I've carried it for quite a while. Fits fine in my pocket, as opposed to belt carry. Since clunking into the arm of your desk chair is an issue, keep that in mind.
Lately I've been carrying the Quark X 123^2. Slightly bigger than the LD10, and...
These have been said by many, but I'll add my vote anyway.
4 Sevens Quark X 123^2 for my pocket
4 Sevens Quark Pro QP2A-X for my EDC bag
Fenix LD20 for my bedstand
Fenix LD10 for backup
Honorable mention: Panthervision LED Powercap
I've got others, and they get used, but these are the ones I...