I think main reason is because Xbox 360 is hacked and most of the games are there (except some really good exclusives). So, why bother about ps3. Also size of download files and blu ray no so cheap are also a factor.
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Fanboy (sometimes spelled fanboi) is a term used to describe an individual who is devoted to a single subject in a fanatical manner, or to a single point of view within that subject, often to the point where it is considered an obsession. Fanboys remain loyal to their particular obsession.
Prediction: PS3 will have 25 percent of the nextgen console market be end
of the year i.e. till 31st dec 2008