I'm still searching for the right yarn for my summer sweater...
The pattern calls for a "bulky cotton yarn" (18sts/4in on sz 9), and I thought this might work.
http://www.yarn.com/specials/garagesale/thickandquick.html
I was debating between the small and medium. If I go with this super bulky yarn, I'll knit the small size. Has anyone any experience with this yarn? Any opinions on subbing this super bulky for a bulky?? Thanks!

The one you linked to seems a bit too bulky for your pattern--it is listed at 9 st/in on size 11s. That's a pretty big difference, I think, so even knitting a smaller size probably won't work out. Cheap though--you could always get some and try it out!