Planet Bike in the UK sells a Holdsworth 48-34 Drillium crankset that looks pretty nice and it's on sale for $99. I run one of their 53-39 cranks on my Japanamount and love it, very nice shifting. In the below link scroll right to see the drillium one.

https://www.planetx.co.uk/i/q/CSHOCN...retro-crankset