How to Flash your receiver
Settop Box Comparison
Here is a table where Settop boxes are compared, right down to component level, nice when you want to buy one.
Settop Box Power comparison
Here is a table where Settop boxes power consumption are compared.
How to flash
Below in alphabetic order links on how to flash a certain brand Settop Box (btw if it's not there yet, please feel free to add it).