For a small dual-purpose machine I would look at a Walker-Turner. They're about the smallest metal/wood saws I'm aware of and came in sizes of 14" or 16". Several versions have a built-in reduction gearbox to reduce the band speed for cutting metal. Keep in mind that some versions did not have the gearbox and would not be suitable for metal work.
Here's an example:
http://losangeles.craigslist.org/lgb...361805129.html
A Powermatic 143 is also a possibility. It is a dual-purpose version of the Powermatic 141.
There are several threads on Practical Machinist about them, which may serve as a guide. Obviously, I would look for a machine that was complete, without damage outside your capability to repair. It's much easier to rebuild something when you have all the parts from the beginning!