Lowest price A75 board seems to be MSI
Best deal is probably newegg motherboard/8 GB...
Only ZM400-LE review, could not source capacitors on board
Depends on user intent.
APUs are a good low cost option IF the on chip graphics satisfy requirements.
Intel is a good low cost option IF the on chip graphics satisfy your requirements.
A10 5800 is top of the line.
If you want more...