I have got Ohlins components in the forks and it makes a HUGE difference. At 225 lbs without gear I could have used a different valve because the front still dive a little too much. The guy who did my suspension noted that so next year when I do my rebuild, that will be addressed. I wish the fork tubes could go up to 30mm with the spring...
To answer your question: it depends of your weight and riding style BUT just with Ohlins/Racetech/Penske components you'll notice a night and day difference especially when you push the bike.
Here's is my shock set-up, cagers look at it like it's a bottle of nitrous lol
Ohlins shock
* Last updated by: dragking on 3/14/2012 @ 10:24 PM *
2006 Ebony Black ZX14, Flies gone, Power Commander V, Brock's CT-Single, Brock's Street/Race Map, Schintz Racing Flash, Brisk Racing Spark Plugs, BST Wheels with World Bearing Ceramic Bearings, Scott Rotary Steering damper, Ohlins KA544 shock, FPK Ohlins kit, Brembo GP4 RX Calipers, Brembo RCS 16, Brembo RCS 19 with no Drag Half Lever, Spielger Front and Rear Brake Lines, Braketech Axis Cobra Front Rotors, Galfer Rear Wave Rotor, Shorai LFX21A6 battery, Sato Racing frame sliders, Zero Gravity Racing Screen/MRA double bubble Racing Screen, Rizoma universal lux billet grip, Rizoma Next Fluid tanks, Rizoma Swing Arm Spools, Pro-Bolt tasty Nuts, Gilles rearsets, Sargeant seat, Geelong small tank protector, Geelong Hugger, Bike master magnetic oil drain plug, vortex gas cap, cox radiator guard, Xenon HI's and Low's.