These are the cranks I had in mind. I don't think any of these cranks would look bad on that bike, but I'm outvoted:
Nervar Star -- I have a set just like this:
I think these are Mavic:
Then there is the Campagnolo Gran Sport -- I have one of these, too. Would keep the weight of the bike from falling dangerously low:
Triomphe from the mid 80s. This is getting a touch modern in appearance, I agree:
Ofmega currently on ebay:
Here's a Shimano 105 crank that can be had for as little as $22 new (at least up till a couple months ago). This is what I think would not look good with that bike:
