It's definitely near the top of the bunch, but I wouldn't call it the best. That title would probably go to the Transformer Pad Infinity or whatever they're calling it. It will however give you the most value for your money.
It's essentially a Prime except 1mm thicker, a bit heavier and with a less bright screen. All the GPS, bluetooth, wifi and quality issues have been dealt with here though, plus the Micro SD and regular SD card slots are a tad deeper so the cards won't go flying anytime soon.
So while in terms of raw specs it isn't at the top of the line, it's pretty damn close and it's pretty cheap considering what you're getting. I remember last year I bought the 14mm thick Toshiba Tab for more lol.