You can get wireless routers with built-in print servers and also stand-alone wireless print servers. These are pretty standard items and should work with any modern operating system. There are also wireless audio transmitters and receivers, although you will need to know whether they use their own networking or whether you can bolt a receiver onto an 801.11 network.
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�Hollywood is like life, you face it with the sum total of your equipment.� --
Joan Crawford
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