you can now get ICS and access to the google play store from the nook tablets with the latest free firmware installation of 2.10. check the barnes and noble website for more details. no need to register with a credit card any more on their own site, just use play instead with your free g mail account

jut checked on a 9 inch Nook HD+ 32 gb I just bought 2nd hand for £100 and no problem accessing the play apps and downloaded a few freebies like aldiko, coolreader, vu player, dreamdroid , angry birds etc