"I have a Mac Mini connected to my BV7-40, if I only plug in the Master Link cable, will the 6-22 display the source sended from the Mini (e.g. DVD or streamed contend) ?"
No. Masterlink will just send audio and datalink signals - for controling the mainroom devices. Picture will be sent via aerial - and audio (mono) in videomode. If your mac mini is connected via composite to your BV7-40 this will work, if it`s HDMI there are workarounds...http://forum.beoworld.org/forums/t/28390.aspx
"So I guess from your posting you'd recommend the BV6-22 as a link room TV.... Just asking because I've read a lot of "cons" and a few "pros" about the 6-22..."
Yes. For me it`s a nice linkroom TV - not only for watching TV...
"P.S. Nearly the same setup, nearly the same name "
Yes, and the same country.....
Stefan