Not sick of hearing about the Google Phone yet?  Good for you.  Pricing details, as well as the date of the official press conference, have now been confirmed for the much-awaited Nexus One.

Practically all of the relevant details for the handset (including a lot of photos) have now made the rounds, so it isn’t a surprise that the final pieces of the puzzle are now being plugged in.  According to sources, the device will be sold directly by Google online at the unlocked price of $529.99, which doesn’t sound so bad, given the unsubsidized cost of most high-end smartphones today.

Alternatively, buyers can get it with a T-Mobile contract (two years, at $79.99 a month) for $179.99.  There are no upgrade options for existing customers in the network (at least for now), so you’ll have to get a new contract for the lower price.  Each user is limited to purchasing five Nexus One phones from their Google account.

Aren’t sure about T-Mobile?  Not a problem.  Users who purchase the Nexus One with a plan can choose to sever their ties with the network within 120 days of the start of the contract if they’re not satisfied with it.  However, you’ll have to shoulder the remaining balance ($350) to pay for the phone.

Both Google and HTC will manage support for the device (both hardware and software), while T-Mobile will handle all network-related issues.  A press gathering has also been announced by Google for January 5th, where a formal unveiling of the handset is expected to happen.