While others across the industry battle it out over 10-gig claims, Google Fiber is looking to go bigger, plotting the rollout of a symmetrical 20-gig service for select residential and business cus | The service will use Nokia's 25G-PON gear and initially be available later this year as an invite-only product.
10Gbps used enterprise equipment is pretty cheap on eBay. Biggest problem I’ve had is getting compatible SFP+ adapters for the NICs.