I prefer Nc6 because I play the Checkhover variation as white, and that's something I wouldn't ever want to defened against as black . (1.e4 c5 2.d6 d4 3.cxd4 Qxd4)
i personally love to defend this position! anytime someone brings the queen out in the first 5 moves or so one can typically take advantage of her exposure...though center counter defence is still sound somehow...1.e4 d5 2.pxp qxp
I like the Kalashnikov Variation of the Sicilian Defense, so I will usually play 2...Nc6. It all depends on what variation you want to play. All that said: go 2...Nc6!!! 
I prefer Nc6 because I play the Checkhover variation as white, and that's something I wouldn't ever want to defened against as black . (1.e4 c5 2.d6 d4 3.cxd4 Qxd4)
i personally love to defend this position! anytime someone brings the queen out in the first 5 moves or so one can typically take advantage of her exposure...though center counter defence is still sound somehow...1.e4 d5 2.pxp qxp
Let us play this out, and I'll prove to you that there is no way for you to attack my queen without worsening your position :) ;)
Btw, i wrote that incorrectly, however i corrected it in the diagram :)
You forgot the Kan variation
sorry i left out the Knight moves :) I corrected everything in the above game :)
Thanks for linking the game with the Qd3 variation. I did look up another game between Polgar v Shirov, played in Monte Carlo MNC, rd 5, Apr-02 and the result was 1/2-1/2. This makes me unconvinced that 2. ... d6 is inferior to 2. ... Nc6 because of the Checkhover attack possibility.
sorry i left out the Knight moves :)
Isn't that a song by Bob Seger? http://www.youtube.com/watch?v=DBFL5cDKv98&feature=related