Listmania!
Avoid unitaskers!  Multitasking tools for your kitchen.
By an Amazon.com customer
Cuisinart Multiclad Pro Stainless-Steel 12-Piece Cookware SetCuisinart Multiclad Pro Stainless-Steel 12-Piece Cookware Set
Buy new: $299.95
A good pot heats quickly and evenly, and is easy to clean.  This series does this while looking good!  Just remember to use a non-scratch scour pad.
KitchenAid KV25GOXMC Professional 5 Plus 5-Quart Stand Mixer, Metallic ChromeKitchenAid KV25GOXMC Professional 5 Plus 5-Quart Stand Mixer, Metallic Chrome
Buy new: $269.99
Forget the Artisan and Classic - THIS is the stand mixer you want.  All-steel gears and a beefy motor will make this the only mixer you'll ever buy.
Lodge Logic 12-Inch Pre-Seasoned SkilletLodge Logic 12-Inch Pre-Seasoned Skillet
Buy new: $18.97 / Used from: $17.99
It browns, fries, tenderizes, and is more superior than a pizza stone - this is an essential item for a working kitchen.
J.A. Henckels Twin Pro-S 18-Piece Knife Set with BlockJ.A. Henckels Twin Pro-S 18-Piece Knife Set with Block
Buy new: $559.99
Great knives, and they will serve you well.  Just keep them away from the dishwasher, and ONLY use the honing steel with a professional sharpening every 1000 uses.
Zyliss Pizza WheelZyliss Pizza Wheel
Large blade cuts pizza, dough, brownies, and more.  Breaks down for easy dishwasher cleaning.
Chicago Metallic Commercial 18-Inch-by-13-Inch Jelly Roll PanChicago Metallic Commercial 18-Inch-by-13-Inch Jelly Roll Pan
Buy new: $16.95 / Used from: $15.99
Don't fall for the latest nonstick/insulated/high-tech fad, this pan is commercial grade and nearly indestructable.
Matfer Exopat 11-5/8-by-16-3/8-Inch Nonstick Baking MatMatfer Exopat 11-5/8-by-16-3/8-Inch Nonstick Baking Mat
Buy new: $15.78
Excellent companion to the roll pan - it can be used for baking, but also can be used whenever you need a nonstick surface (e.g. making chocolate desserts)
Rubbermaid Professional Heat Resistant ScraperRubbermaid Professional Heat Resistant Scraper
Buy new: $14.99
No melted plastic here.  Use for stir fry, spreading, mixing brownies, or wherever you need a good scrap.
Microplane Grater/ZesterMicroplane Grater/Zester
Buy new: $11.95
Perfect for fresh Parmesan, or for cirtus zest.  Just be careful and keep your fingers clear!
Oxo Good Grips Swivel PeelerOxo Good Grips Swivel Peeler
Buy new: $7.99
The best peeler I've ever used.  It makes quick work of carrots, potatoes, etc.  Dishwasher and finger safe.
Oxo Good Grips Medium Cookie ScoopOxo Good Grips Medium Cookie Scoop
Buy new: $11.99 / Used from: $10.99
Not just for cookies, this handy tool can be used for scooping out food like avocados and baked potatoes.
Swissmar Borner V-Slicer Plus MandolineSwissmar Borner V-Slicer Plus Mandoline
Buy new: $39.84 / Used from: $29.99
It slices!  It dic...  well, it slices!  But with the various cutting configurations this is perfect for everything from pizza toppings to shredded lettuce.
Taylor Classic Candy and Deep-Fry Analog ThermometerTaylor Classic Candy and Deep-Fry Analog Thermometer
Buy new: $12.12
Technically it only does one thing (measures temperature), but it does it in multiple ways: chocolate, oil, sauces...
Leatherman 830039 New Wave Multitool with Leather SheathLeatherman 830039 New Wave Multitool with Leather Sheath
Buy new: Too low to display
The ultimate multitool for every room in the house - including the kitchen!