Performance Slick City are my favorite budget 26" slicks. They're 1.25". Pretty fast and totally slick. Low thread count so not all that plush. I run Mr. Tuffy also so even less plush for me.
My nearest Performance has them on clearance for $8 at the moment. $10 online right now, though.
http://www.performancebike.com/bikes..._1035134_-1___