Unfortunately, while the company I work for has a contract with the Super 8, we have it listed at the same price. I'll nose around a bit when I'm at work and see if I can pull something but I doubt it. That's also the only hotel we work with in El Cerrito. Which may or may not say anything about the other two mentioned. >_>
Edit: Yeah, didn't think so, sorry. So the only benefit to booking through Booking.com is that if anything goes wrong you can have me bitch at the hotel instead of doing it yourselves. <_<