Take a look at this.

[Link: elanhomesystems.com]

There was a time that only crestron or amx were the only ones around but now you have companies that are easy to get started with and to stay with, and they can do all the same stuff. Key Digital compass control can also do what you're looking for in regards to the job you mentioned above.

If you set on crestron check into their C.A.I.P. program, you can also start with them with prodigy and work into the full line.