Here's a compilation of helpful links for setting up the best home studio you can set up!
The best mouse ever (the Kensington "Expert Mouse" Trackball
How to make an "Aggregate Device" (combine the inputs and outputs of more than one audio interface)
IAC driver (share midi information between applications) - alternative to ReWire
How to use Logic Node
MIDI Over Network (built into Mac OS!)
Send audio over network Plasq's "Wormhole"
Use that second computer as a second monitor
Use 1 mouse and 1 keyboard to control multiple machines
Access any computer from anywhere
Make your own "sub kick mic" (not really that complicated)