Ok, I finally found something- they are PC mount, but they are small, NON momentary and will handle 3A @ 125VAC. AND reasonably priced:
These might be hard to mount depending on your design, but at just under 1/2 inch sq. and .85 inches long, they might work where other switches are too big.
http://www.mouser.com and enter 107-DS662 in the product search box.
The next smallest that I have found are Panel mount, about 1 1/4 inch overall length and are at:
http://www.mouser.com/
and enter 107-1258 in the product search box
If you order, be sure what you select- some on the list are Momentary (ON) and some are illuminated etc