So, going from 4.4 to 5, it is worth the $70?
$79. And I always find it better to wait an update to get more of a difference. They call it a new version number but not much new is added just like from a 50D to 60D or 5D2 to 5D3. Now 5D to 5D3 is a jump same as 30D to 50D.