Hi, I'm shopping bikes and I don't know a good deal from a bad deal so I'm asking for your experience. Are any of these a deal, or even worth looking at? The bike I have now has a 24' frame, to tall, but I'm used to it. When I stop I just lean to the left and stand on one foot. As I read that, I guess it sounds unsafe. Maybe I should just look at a 22" frame. Are there 23" frames? Well here goes;

Cannondale 500 Sport Bike Bicycle - Shimano 600 upgrade - $250
Aluminum Cannondale 500 Sport. Its been upgraded with the following:
Shimano 600 Front/Rear Derailers, Brakes and Levers.
Shimano 600 Clipless pedals (with cages for use without clipless shoes.)
Mistral M13 Rims

Vintage Trek 500 Tri-Series 52 cm Steel frame Road bike $215.00
24 lbs. Reynolds 531 tubing.
Brand new Vitorra Zaffiro tires and Bontrager tubes. $50 value.
Shimano 600 components. 12 speed. 2 rings on front, 6 on back.
Crank, Dropdown handle bars, bar tape, brakes and brake handles replaced.
Red with white paint.
Red water bottle cage.
It's a bike that screams to go fast. Come take it for a test ride.
Tuned up. Ready to go. Needs nothing.

1985 Gitane Defi Road Bike - $125
Frame: 61 cm (~24") Reynolds 453
Components:
Mavic 700c wheels
Chromed fork
Shimano breaks
Huret/Sachs rear dérailleur
Nervar crank
12 speed
less than 24 lbs.

Thanks,
Mark