1) IntelMausiEthernet
2) Yes to enable audio after sleep/wake
3) BrcmPatchRAM2 is for 10.11, BrcmPatchRAM is for 10.10.x and below.
4) Is require for sleep with LID close
5) Type 0x0706 to properly display CPU as i7 instead of unknown.
6) Will need the beta version of SSDTPRgen.sh that support Broadwell. Might have to fix some smart quotes to get it going.