I tried thief, but the weapon skill combinations didn’t convince me as much as the warrior skills do. So I have stickken to warrior. Also the thief skill button icons are too vague: I cannot clearly see, is a skill on cool down or ready, as the colors are almost the same for both.
Also, I wanted to shoot with two pistols at the same time, but thief didn’t have such an option at start. So I got bored, though maybe it would have come later.
Just as a clarification, thief weapon skills have no cool-down, but all weapon skills have a initiative cost save for #1, those white diamond pips above your weapon skills. If you have enough Initiative, you can keep using the same ability multiple times in a row, but the down side is that you will be out of initiative unable to use any ability save for #1 and your slot skills.
When any of your weapon skills can’t be used for lack of Initiative there is a small icon on those skills telling you that you lack the initiative to use it.
The thing about Initiative vs Cool-down skills is that on all cool-down professions, there is at least some incentive to have a weapon set to swap to if you are out of cool-downs. For Initiative, there is less of a incentive to swap weapons, because you don’t gain from the extra set of cool-downs.
This is not to say I only run 1 weapon set, just that weapon swapping in combat happens less with the thief. I used to use pistol/dagger, and shortbow, then switched to dagger/dagger, and shortbow.
In general I stick with D/D, and use my bow in group situations, or when I need to be at range, and I tend to swap to bow mid combat only to get away from the enemy and stay in range in a crunch. Might not be the most optimal, but it’s what I do at the moment.