Want to take the plunge into URC. (Installer required remotes). So have some generic questions.

1) When in an activity 1, e.g: "Watch TV using projector" and want to switch activity 2 e.g: "Play game using projector", does the remote remember that I already have projector and receiver ON and do not need to turn on the devices again.

What I want to do when switching these activities are "Turn on PS3", "Turn off Comcast Box" and Change input in "Receiver". Dont send power on/off to the projector


2) In, "Watch TV" activity I want the buttons Up,Down,Left,Right buttons do macros.

E.g: When i click "Left" I want remote to select "Left" on both the comcast box and also the Receiver. Similarly "Right" should select "Right" on both my comcast box and also the receiver.