I worked as a cook for a little bit, and liked my knives. Mine: Wustof, Global, Victorinox, $5 'kiwi brand' Chinese style cleavers. In that order
Globals take a fair while to sharpen, especially the first time, but their 'ceramic sharpening steel' is a good quick fix to a fading edge when faced with a mountain of tomatoes. They stay sharp longer than the rest too
Wustof is the best I've had, easy to keep super sharp, but too expensive. I dropped a Wustof on a concrete floor once, and cracked the handle, sent it off and got a free replacement, within a week or two.
Victorinox are the great knives for work IMO. I usually left my Wustof/globals at home, too scared to use them in the rough and tumble of cooking to the clock.
If you can sharpen a knife well, some of the 'kiwi brand' 6-7 inch thin blade cleavers in the Chinese grocers have brilliant balance, and I have only praise for them, they are hollow ground, and can be made VERY sharp and hold the edge well
The most important thing is knowing how to stone your knives, and do it at least once a month.
The local knife sharpening businesses did a horrible job, often giving a convex edge (like the opposite of hollow ground)