you can play audio CD's on it yes and you got your normal dolby...basically most of the features you get on a descent up converting run of the mill DVD player you get on this minus stuff like DivX playback which i think is a little of a bummer. sure it's to play HD but do you want 5 dvd players stacked on top of each other?
more details about the A2
http://www.tacp.toshiba.com/tacpassets-images/models/HD-A2/docs/HD-A2KU_E.pdf

oh and BTW i'm REAL bitter about this deal being only in the U.S..i think i'll protest and bring back Laser disc

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