Question : Anyone know where I can get the vendor and part number for the fan and heat sink on the EVM?

Answer :  The Fan Assembly specified by DNA for the EVM is from
ACT-RX Technology Corp in Taiwan:

The US source is ARX International, Inc
43 Parkview Drive
Albertson, NY 11507
516-484-8755(Voice)
516-484-8765(Fax).

The part number is BP0535SA7.
BP=Ball Bearing
05=DC 5V
35=35mm square (there is also a 45mm square ->45 )
SA=Al base (there is also a plastic base ->SP )
7=7.5mm thickness (there is also an 8.5mm thickness ->8 )