mat - Doubt it, since it’s never been mentioned before, and nobody here knows what these features are (unless, like you they’ve owned those specific players).
If you feel these to be worthy considerations for the future, please feel free to post your idea(s) in a new or different thread. I don’t know if you noticed, but there is a Product Features Suggestions board. Perfect for this. 
FUZE_Newb - Your ‘n00bness’ is showing! Please read and/or search before posting. 
This has been documented numerous times, probably even in this 23-page thread! A search taking less than 10 seconds of your time would most assuredly find the answer for you.
“1st Quarter of 2009”
