Awesome finds cgraham1. Great examples of what patience and a little work can get you. I too, believe in used saws, which is exactly what you have the minute you pay for a new one.
OP, I think you're correct in being weary of the gadgets on homeowner saws. Like you said, keep it simple. Since you don't have time to work on one: $300 range you can find a nice 039/390, $250 and under you can find a good 029 Super/290, 028, 026/260, or 024/024 Super. I'd shop local cl and here on AS. Ebay is an overpriced gamble. Be weary of but don't overlook pawn shops. Most in my area price saws on the high side. 2 or 3 have good prices. One has a pretty nice 039 for $240 right now. Just an example, never know what youll find.