Thanks for feedback, it looks like I have three options.
1. Bandstacked approach - I would need to purchase a bandstacked C-band LNB (about $39), a bandstacked KU LNB (about $25) and a 2x4 or 3x4 multiswitch (about $25), for total of about $89.
2. 4x4 or 5x4 multiswitch - I would need to...