You do not need large surrounds to match larger fronts - it is your choice,
however you can start with a cheaper refurbish receiver, then sell it later
when you have funds to upgrade.
Who and Where - is the Way, the Truth and the Life?
Speakers > MB Quart VS05, Boston VS260, Snell K7
Subwoofer > Mordaunt Short Aviano 7
Receiver > Tascam PA-R200, Pioneer VSX-30