Hello,
1) Replace the MCE control
Yes
2) Replace the surround sound system control
Yes
3) Replace the plasma screen control
Yes
4) Control an X10 lighting system (not yet purchased)
Yes (if you have an IR to X10 converter)
5) Replace the wireless keyboard and mouse
No
6) EPG
Yes but some problems since last firmware, it seems..
I kept the previous firmware
7) Web browsing (low priority though)
Yes, but very slow
Not all functions (no java, no plugins..)
8) Use the microphone to voice control the MCE
No
