Right from Playstation.com. Here what seems to be the final specs. But...it seems the HDD will be sold seperately. This is something they just posted on their website so it is definetly new info.
The pic is small so I'll list the specs.
CPU
Cell Processor
PowerPC-base Core @3.2GHz
1 VMX vector unit per core
512KB L2 cache
7 x SPE @ 3.2GHz
7 x 128b 128 SIMD GPRs
7 x 256KB SRAM for SPE
*1 of 8 SPEs reserved for redundancy total floating point performance : 218 GFLOPS
GPU
RSX @550mgz
1.8 TFLOPS floating point performance
Full HD (up to 1080p) x 2 channels
Multi-way programmable parallel floating point shader pipelines
Sound
Dolby 5.1ch, DTS, LPCM, etc. (Cell-base processing)
Memory
256MB XDR Main RAM @3.2GHz
256MB GDDR3 VRAM @700mhz
System Bandwidth
Main RAM 25.6GB/s
VRAM 22.4GB/s
RSX 20GB/s (write) + 15GB/s (read)
SB 2.5GB/s (write) + 2.5GB/s (read)
System Floating Point Performance
2 TFLOPS
Storage
HDD Detachable 2.5" HDD slot x1
I/O
USB Front x 4, Rear x 2 (USB 2.0)
Memory Stick standard/Duo, PRO x 1
SD standard/mini x1
CompactFlash (Type I, II) x 1
Communication
Ethernet (10BASE-T, 10BASE-TX, 1000BASE-T) x3
(input x1 + output x2)
Wi-Fi IEEE 802.11 b/g
Bluetooth Bluetooth 2.0 (EDR)
Controller
bluetooth (up to 7)
USB2.0 (wired)
Wi-Fi (PSP)
Network (over IP)
AV Output
Screen side 480i, 480p, 720p, 1080i, 1080p
HDMI HDMI out x2
Analog AV MULTI OUT x1
Digital audio Digital Out (OPTICAL) x1
Blu-ray Disc PLAYSTATION BD-ROM