Once you pay for an arcade game you download it, delete it, and download it again later as many times as you want (same for the TV shows). So you wouldn't need a memory card for every title as you suggested.
Where are you getting this information? MS just recently changed their sales forecast to 15 million by the end of their fiscal year. They previously forecasted 5.5 by June of 2006, which they were able to meet.
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Once you pay for an arcade game you download it, delete it, and download it again later as many times as you want (same for the TV shows). So you wouldn't need a memory card for every title as you suggested.
Where are you getting this information? MS just recently changed their sales forecast to 15 million by the end of their fiscal year. They previously forecasted 5.5 by June of 2006, which they were able to meet.
http://www.itworld.com/Tech/5051/060721xbox/
Your information is outdated.