Do you know if the better clarity on SI come with the 6.49.
Some are saying that 6.490 is better simply because their newer software versions experience has been worse...
Some are saying the latest version is the best SI they've ever had...
There seems to be very little consistency in why either of these groups are experiencing better or worse images...
Comparing the 6.490 with the newer version yourself on your personal unit will determine if you feel one is better over the other...
The only restriction known at this time is...
It is recommended to never revert to an older version of software than what came on the unit new"...Rickie