You may already know this, but while not 'officially supported' Google will not block you from bringing your own equipment on their 2Gbe service.

The ONT on a stick (aka SFP) plugged into the Technicolor manufacturered router Google provides can me moved to other routers. The difficulty is that instead of negotiating at the usual 1 or 10Gbe, the SFP negotiates at 2.5Gbe (commonly known as Multigig). There's next to no hardware on the market that supports Multigig, this makes it seems like no other equipment works with Google's service.

I wish they just went straight to SFP+ but I'm sure there are good reasons why they did not.