DonP, seek out members re-edger or GordonW. They sell foam kits.
As for the receiver, a million good brands out there- Pioneer, Sansui, Kenwood, Marantz, Pioneer, Yamaha- the list could go on forever.
Heavy is good. Aluminum (or blackened aluminum) faceplates are good.
For solid state, I'd recommend no less than 20 wpc, but think that a minimum of 30wpc is better to aim for, if not 40, 50 or 65wpc.
Welcome to AK, and best of luck!