I know a lot of beading magazines are heavy on featuring shaped beads and multi-holed beads right now, but my personal preferences still run to regular old-fashioned seed beads. And yet, there's a lot of variety within this bead family as well. You've got Delicas, which are the cylindrical beads that make weaving a snap. You've got Dyna-Mites and Tohos, which are Japanese round seed beads, and you've got Preciosa, which are Czech seed beads. Of these, the Tohos are the most precision shaped.
Because I do mostly bead embroidery rather than weaving, my personal tastes run primarily to Dyna-Mites for economy and Preciosa for glorious shades not found elsewhere. But each of these bead lines has its benefits!
Miyuki & Delica Seed Beads
Dyna-Mites Seed Beads by Matsuno
Toho Seed Beads
Preciosa Czech Seed Beads