Here's the deal post $665 with best offer:
Arista DCS-7050QX-32 Switch 32-Ports 40GbE QSFP+ 2xAC PWR 4x Fans Switch | eBay
If you're into the best offer game here's #2:
Arista DCS-7050QX-32 32-Port QSFP+ 40GBE Layer 2/3 Switch Dual AC Power Tested | eBay
I'm just posting these since they're under $700 and there's a killer SDN article on STH Get started with 40GbE SDN with Microsoft Azure SONiC for under $1K
Arista DCS-7050QX-32 Switch 32-Ports 40GbE QSFP+ 2xAC PWR 4x Fans Switch | eBay
If you're into the best offer game here's #2:
Arista DCS-7050QX-32 32-Port QSFP+ 40GBE Layer 2/3 Switch Dual AC Power Tested | eBay
I'm just posting these since they're under $700 and there's a killer SDN article on STH Get started with 40GbE SDN with Microsoft Azure SONiC for under $1K