9.25/10 from GameInformer.

Some tidbits from the review:

• Seems like generic worlds, ice, beach, jungle but “the variety is amazing”
• Ride minecarts through saw mills, dash through a forest with a raging fire, etc.
• Great difficulty balance, bonus stages are a bit ridiculous in difficulty though that is expected.
• Water levels return, are very fun, better to control with analog stick than d-pad. For some reason you have to access the menu to pick one or the other.
• Dixie and Cranky add new moves that work best to reach certain collectibles or specific platforming challenges. Rotating barrels allow you to select the best Kong for the job.
• “Local Co-op is as much a mixed bag as the first installment.”
• 6 worlds instead of 8 in the last game. But each level is larger. Reviewer says it rather have a smaller collection of the best levels Retro can make than a more bloated game with less quality levels and that is exactly what this game does.

Source

People have already posted this.

I hate when people post reviews over 2 weeks earlier than the game is released... Like now I have to wait almost 3 weeks to play this game... Fuck

Damn. People should stop posting things in discussion boards that I hardly ever visit.

already two threads for the same topic :P

I absolutely LOVE that the game has less than 8 worlds. Every platformer Nintendo releases has that, and I think that DKCR had just too many levels. This will be more manageable to play through. Looking forward to it.

when i first heard that there will be only 6 worlds i was discouraged but the fact that the levels are a lot longer somehow balances that :P

Well when the game was first revealed last E3 they said that it would have 5 worlds... So it could have been even less.

Speedruns will be painfully fun.