The Paper Arts site talks about everything related to paper including stationery, scrapbooking, and DIY paper projects.

Some very nice general usage scrapbook paper is available at Scrapbook.com. I believe these “Doubletake” papers from Collage Press were on clearance for cheap the last time I looked. Double-sided papers like these are great for their multi-usage properties. Shown here are several examples of these muted yet colorful patterned papers in the cheery Citrus, Fresh and Seeds collections.