from Zdnet ... MBA available with up to 8 gigs ram.... LOL .... I wish 
Finally, the Macbook Air got a refresh (note the solid-state drive in the second configuration) and a lower price point.
Two flavors:
* 1.86 GHz Intel Core 2 Duo
* 2GB RAM
* 120GB SATA hard drive
* NVIDIA GeForce 9400M graphics
* $1,499
and
* 2.13 GHz Intel Core 2 Duo
* 2GB 1066MHz DDR3 SDRAM (upgradeable to 8GB)
* 128GB SSD
* NVIDIA GeForce 9400M graphics
* $1,799
Finally, the Macbook Air got a refresh (note the solid-state drive in the second configuration) and a lower price point.
Two flavors:
* 1.86 GHz Intel Core 2 Duo
* 2GB RAM
* 120GB SATA hard drive
* NVIDIA GeForce 9400M graphics
* $1,499
and
* 2.13 GHz Intel Core 2 Duo
* 2GB 1066MHz DDR3 SDRAM (upgradeable to 8GB)
* 128GB SSD
* NVIDIA GeForce 9400M graphics
* $1,799