Honestly, I thought of the same thing at one point. After talking to a customs broker I decided against it - they told me it would not be legal to import afterwards, possibly needing to be exported to Canada again before attempting. It can only stay in the US with foreign plates for up to a year, I believe.
There is a risk-reward issue too. If the foreign plates become a problem, your truck will end up outside of the country or impounded. With out-of-state plates, you might have to register in the local state but you'll maintain possession, I believe.