In the market for a 13" MBA. I'm definitely looking for a refurb model. Right now they have a 13" base model for $929. The NEW version with 8GB is $1150. I think it would be worth the extra $90 to upgrade to 8GB, but certainly not $220 over the refurb base model. Has anyone seen the 8GB version in the refurb store? Is it a complete crapshoot?