英文填充(急)(comversation)

Sorry,I'm afraid we can't offer such a low price---HDTV is one of our most popular___!
I see.If I buy it now,can I___,say,over six or twelve months?
Of course!
OK,I'll take this one then!Hmm...I'm also interested in DVD player.Do you have any other___that I shauld know about?
As a matter of fact,we do...