Thanks for all the comments, as always think I will need to experiment and see but the default will be to try and keep the 861 and MC200 running off the same switch.

I'm not sure if a QNAP would make any difference with the MC200 giving up its storage duties as I suspect this just adds further to the signal chain.

Not particularly uptodate with recent products but don't think there is a cheap endpoint that would take a network cable in and give digital out to feed the 3100's. Hope someone can advise otherwise.

thanks to all

David

861v6 ID41, HD621, G98, MC200, DSP7200, DSP7200HC, DSP5500 (rears), D2500; Oppo BDP83, PS3,
- Other rooms 3100, F80