Try these websites for some interesting ideas:
Iowa Quilters Guild - State-wide guild network; links to other guilds
Fat Cat Patterns - Designer Sindy Rodenmayer offers some great patterns - some free
Bella Online - The "Voice of Women"; click on Hobbies & Crafts for some great quilting & sewing ideas
Block Central - all sorts of block patterns; some free or at low cost
Lyn Brown - Designer; offers free BOM's
American Quilter's Society - dates & locations of upcoming AQS Shows and other useful information
Quilter's Cache - Marcia Hohn, designer, offers hundreds of free blocks and some patterns at low cost
eQuiltPatterns.Com - this site provides any number of beautiful patterns at minimal cost to download.
Quilt Qua - Quilt resources, teachers, quilting articles, shows, etc.
Mybluebamboo.com - online shopping for beautiful fabrics
Connecting Threads - we all know what they offer!
Everything Quilts - just what the name implies
Fabrics.Com - fabrics of all kinds
Faeb's Site - Nice quilt album and other patterns available for a fee
Jinny Beyer Studio - free patterns, tips, online store
Keepsake Quilting - we've all order from there!
The Picket Fences - fusible applique kits, designs by Elle Colquitt (beautiful!)
The Quilt Broker - quietly selling your quilts since 1997; also some free patterns
The Quilt Bus - online fabrics, books, patterns, events, etc.
Quilt University - online classes at your own pace and in your own home
Soft Expressions - online supplies to embellish your quilt
Thread Art - source for embroidery designs, thread, stabilizers, rhinestones, ribbon, and more
Sew Thankful - books, fabrics, patterns, specialty threads and fibers