Sounds Like The PS3 Slim Just Got 200grams Slimmer.

No details have been given on what's changed to get the system lighter, but AndriaSang report the change has something to do with a new PS3 model number CECH-2000A to CECH-2100A.

This corroborates stories earlier in the month which saw Sony file two new SKUs to the FCC.

Japanese retailers are claiming that an updated SKU of the Playstation 3 hardware will drop an extra 200g from its total weight. No details have been given on what's changed to get the system lighter, but AndriaSang report the change has something to do with a new PS3 model number CECH-2000A to CECH-2100A.