Plemix

PS3 is available at plemix.com now. It has been confirmed that initial PS3 units will include the CPU/rasterizer combination chip used in slim PS2 (EE+GS) to achieve backward compatibility... it's a good news for PlayStation's fans.

Here are some reviews for Sony Playstation 3:
They have 20GB(Basic) and 60GB(Premium) upgradable harddive;
Blue-ray drive; HDMI (High-Definition Multimedia Interface) port; Bluetooth controller
However, some features only in the PS3 Premium:
Built in Wi-Fi; Flash card reader; and Chrome Trim.