I am not running Creo 3 yet, but I have a Dell M6800 that's been fantastic. It's a tank, so if you travel with your laptop a lot, you may want to go with a 15" model instead of the 17"
Here are the specs:
Windows 7 64
Intel i7-4900MQ CPU 2.8 GHz
16.0 GB RAM
NVIDIA Quadro K3100M, driver 340.66
At my desk I run dual Dell U2414H screens plus the laptop screen.
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