The 1 1/4" are a few pennies $.71 more. Not the lightest, but more comfy than the 1 1/8.

Kenda Street K35 Road Tire 27 x 1-1/4 Black/Tan Steel

Basic Panaracers are cheap
Panaracer Pasela 27 x 1-1/4 Black/Tan Steel

Need cheap wide 700c's? Forte's at $9.99 each

Forté Gotham ST Road and Mountain Tires, 700 x 32, 700 x 35, 26 x 1.75 - Bicycle Tires