Quick summary for anyone who's missed it and doesn't want to go hunting, UK pricing is yet to be revealed.
Nexus 6:
Nexus 6
GSM Arenas page on it with all the gubbins.
Made by Motorola, featuring a 6 inch display, dual front facing speakers, 13mp rear camera with optical image stabilization, flash etc and inside you get a 2.7 GHz quad core processor.
The cost is $649 (about £400) for the 32GB model or $699 (around £440) for the 64GB version. Release date is next month.
The Nexus 9:
Nexus 9
GSM Arenas page.
Made by HTC, with a 9 inch IPS display, 8mp back facing camera, with flash, and inside running a Quad-core 2.3 ghz processor.
The cost is $399 (about £250) for the 16GB model, $479 (about £300) for the 32GB version, or $599 (about £375) for the 4G 32GB model. Should be hitting the Google Play online store on the 3rd November.
Both devices to run Android 5.0 lollipop.
They also unveiled the Nexus Player.