I was surprised it's LG as well. I was expecting Motorola but given their bootloader policy, making a nexus would oppose it. Motorola is focused on Verizon and VZW hates Nexus phones, so LG does make sense.
What I do like about LG: generous with specs and bold in hardware selection. They were the first to offer a dual core phone and the only OEM to put a OMAP4 in a phone.
And LG doesn't care (yet) about locking bootloaders, a major factor.
While LG caught flak for their skinning and general software quality, it's not an issue since it's the Nexus.
Obviously, this is at rumor stage but I do find it plausible or wouldn't have posted it.