Will Sony Remain With Cell Processor for the Playstation 4?

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Rumors going round that Sony may drop the cell processor completely from the Playstation 4 - and in my opinion I think this would be a pretty bad move. The PS3 uses the Cell microprocessor which is made up of one 3.2 GHz PowerPC-based "Power Processing Element" (PPE) and six accessible Synergistic Processing Elements (SPEs).

The PS3 has 256MB of Rambus XDR DRAM, clocked at CPU die speed. As of firmware update 2.01, 32MB of the XDR memory is reserved by the PS3's XrossMediaBar user interface, more XDR memory is required for multiple XMB operations to function at one time.

The graphics processing unit is based on the NVIDIA G70 (previously known as NV47). The GPU makes use of 256MB GDDR3 RAM clocked at 550 MHz with an effective transmission rate of 1.4 GHz and up to 224MB of the 3.2 GHz XDR main memory via the CPU (480MB max).

Memory comes in a wide variety from 20GB to the SLIM PS3 320GB Console and reducing energy consumption as well.

Realistically, with the PS3 boasting all that, what can we expect from the Playstation 4? Will they stick by the cell processor?