Back in 2009 I blogged about F# in the cloud, an idea where you could pass an F# AST to a cloud and run it in parallell there : http://rogeralsing.com/2009/12/29/massive-parallelism-f-in-the-cloud/
It now seems like some guys have done just that using python : http://www.picloud.com/
Roger Johansson Blog 
For F# check this http://www.youtube.com/watch?v=fmTagG6MNPQ