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.
Flexoptix reprogrammable tranceivers are a godsend for that. We use them almost exclusively at work and so do quite a few of ours customers (Universities and other places of higher education). But it’s probably hard to justify the cost of a reprogrammer box for a household. You can buy their transceivers pre-programmed though.
FScom has something similar, but I can’t vouch for those, never tried. Their patch cables are fine though.