Wireless surround sound using some existing components

[pdfins]

My 10+ year old Onkyo receiver (HT-R520) finally gave out and I'm thinking of using it as an opportunity to update my home theater to more of a wireless setup.
Wondering if anyone has suggestions on a receiver that will allow me keep my wired sub + 3 front channels and pair 2-3 rear wireless channels (e.g. seeing cheap VIZIO SB3851-C0 replacement satellite speakers online). Trying to make this as cost effective as possible, but not averse to complete system replacement if nec to pair everything.

 

[americanaudiophile]

You can get any surround receiver and use a wireless rear speaker kit..
http://www.bestbuy.com/site/rocketfish-universal-wireless-rear-speaker-kit-black/8275528.p?skuId=8275528
It would work for 2 surround speakers. To use a 6.1 set up you would need to get a different wireless kit that won't interfere with the other kit.
The Vizio speakers would work OK.