At present we can't get the HR20 to recognize video clips served by TVersity or WMP. AFIK, recordings from SD DirecTiVos cannot be transfered to the HR10. Until we can hack the HR20 (or HR21) any such transfer seems VERY unlikely.
Now I understand some people keep a SD DirecTiVo hooked up to their HD TV just so they can MRV to it.
There's a difference between needing help, and just being plain ole' lazy.
"You cannot teach a man anything. You can only help him find it for himself." Galileo Galilei (1564-1642)
HR20-700 with 2 TB, HR22-100, HR22-100, HR22-100, HR23-100 all running 0x5cd and networked.