How long have they had this? I'm sure it's been mentioned before, but "amazon meters" yielded no results -- neither did amazon madden (at least not one that made it readily noticeable).
Here is how Madden 09 is selling on Amazon:
Xbox 360 31% (39% total)
PlayStation 3 26% (33% total)
Wii 12%
PlayStation 2 11%
Xbox 360 - 20th Annv. 8%
PlayStation 3 - 20th Annv. 7%
PlayStation Portable 4%
Nintendo DS 1%
http://www.amazon.com/Madden-NFL-09/meters/AA5YK03XO3BDC/ref=pd_zg_lm_lp_pl
Here is how Madden 09 is selling on Amazon:
Xbox 360 31% (39% total)
PlayStation 3 26% (33% total)
Wii 12%
PlayStation 2 11%
Xbox 360 - 20th Annv. 8%
PlayStation 3 - 20th Annv. 7%
PlayStation Portable 4%
Nintendo DS 1%
http://www.amazon.com/Madden-NFL-09/meters/AA5YK03XO3BDC/ref=pd_zg_lm_lp_pl