The PS3 IS firmware upgradable to DTS MA and other hi def audio systems.... and the upgrade is on it's way.
http://www.dts.com/company/press/press-article.php?ID=1601180336&cID=1&yID=2008
A third party company has also developed an IR plugin for the USB port that will allow the PS3 to work with the Harmony remote.
http://www.avsforum.com/avs-vb/showthread.php?t=1012806
That just about ties up any reason for NOT buying the PS3
http://www.dts.com/company/press/press-article.php?ID=1601180336&cID=1&yID=2008
A third party company has also developed an IR plugin for the USB port that will allow the PS3 to work with the Harmony remote.
http://www.avsforum.com/avs-vb/showthread.php?t=1012806
That just about ties up any reason for NOT buying the PS3