A gaming site is claiming that they can confirm that prototypes of the new rumble enabled SIXAXIS controller for PS3 have found their way into the hands of a number of official Sony developers. The new version is also expected to ship with the console and will replace the non-rumble enabled version.

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We can confirm that prototypes of the new rumble-enabled controllers have made their way to various Sony developers. Information on these controllers is still closely held by Sony and their partners, but an official announcement and unveiling is expected in the next two to three months. Leipzig is the most obvious guess for this unveiling, but we believe Sony is going to withhold the controllers until they can launch them to coincide with support from enough developers.

We can also confirm that new versions of the Sixaxis controller are quietly replacing the original controllers launched with the console. Hardware updates occur regularly throughout the lifespan of controllers; in this case, Sony has improved the fidelity of motion sensing in the controller. The original controllers apparently suffered of too much of a dead zone.