Hey,
love this project!
I bought a RPI Revision B 512MB RAM for this and it works almost perfectly :).
However, there are three annoyances (I don't know wether these are known or not):
1.: When stopping a film / TV show that's being streamed from my Macbook Pro, the Macbook Pro goes to sleep. Each time. Kinda funny, but annoying.
2.: There is no way out of the search menu except to restart the RPI.
3.: The Info panel, once it appears or I call it up, does not go away while the film plays. I have to power up my iPhone remote and press "info" to make it disappear.
I would love to see these fixed in the near future :).
blasenbaer