So, I've acquired a mid-70s mixte frame, and unfortunately the fork is trashed... as were the wheels and the bars, and well, everything on the bike, really. The frame is pretty dandy still, only a couple of minor rust spots. I checked the frame alignment with a string and it out about 1mm.

I'm hoping to build it up for my mum. She lives in fairly hilly terrain and is just getting back into cycling, so I'd like to put a triple in front, as it's kind of hilly where she lives. Are there any aluminum triples that wouldn't look horribly out of place on this bike?

I need two things to get started, an appropriate BB spindle (I don't have the old spindle, just the cups) and a suitable replacement fork... our co-op doesn't have anything and fleabay doesn't have anything.