my guess is that a cencom gold would pair up better w/ the 2010 liberty b/c it is the newer siren/controller out of the 2 (cencom red is the older model), and although u may be able to use a cencom red with it, i wouldn't be surprised if you encountered some issues/difficulties at least w/ the programming.
T/A is completely up to u in terms of programming several of the buttons on the control pad for T/A functions or not. If u are planning on parking on scene frequently, though, i would consider allocating 3 buttons on the control pad for working a t/a (left, right, center-out) if u have one