What is the most recent desktop Mac that will run Snow Leopard?

I have a late 2006 iMac that I use for old apps that won't run on newer models, but I don't think it's long for the world at this point. What is the most recent old desktop Mac I could buy to replace it that would be able to run Snow Leopard?

MA589LL,

Hardware Overview:

Model Name: iMac

Model Identifier: iMac5,1

Processor Name: Intel Core 2 Duo

Processor Speed: 2.16 GHz

Number Of Processors: 1

Total Number Of Cores: 2

L2 Cache: 4 MB

Memory: 2.5 GB