I'd love to try this thing, but I think if rather go with the MX90 or TK8000. I can't really justify spending money at the moment though when I still love the XP70, and for that matter the SW35!
I find that it's hard to judge how fast a racket is, because there's no hard data on aerodynamics, and speed really boils down to the one that works best for your physiology. But for me, head heavier 4U rackets are faster and hit harder than even balanced 3U rackets. Honestly, I think more people could benefit from trying them.
Do you think a Voltric Z force 4U user will be good/benefit to use the TK6000? I love head heavy racket. I was eyeing on MXJJS initially but it's an overall heavy racket after trying it. I'm looking for a backup racket but I don't want to have the same racket.
VT60 is only available in 4u in Canada and is not that head heavy. In terms of bp, I'd think 4u TK6000 is more similar to 4u VT70.
TK6000 is considerably better than Voltric 60. I reviewed VT60 and to be honest I couldn't understand why Yonex bothered making it. It was the big let down for all of those players hoping it was the replacement for AT600 - but it fell way short of the mark. I've only ever seen one player use a VT60. TK6000 is also considerably better than VT70. It displays far more of everything including being a stronger frame for those players who like more tension. i've played with mine again today strung at 30lbs tension (the first time I've played with a racket at that tension). It was so good I didn't want to put it down, however I was there to coach and have a first hit with MX90 so had to leave it alone. The guy I was coaching plays with TK8000 and he loved TK6000. He doesn't want to change rackets again but stated how good they are. Paul www.badminton-coach.co.uk