Lowe's offers the Dremel All-Purpose Rotary Accessory 160-Piece Kit, model no. 710-08, for $19.99 with free shipping. That's a buck under our March mention and the lowest total price we could find by $5. It includes a wide range of accessories to be used for cutting, sanding, polishing, grinding, and carving. Deal ends December 2.
Update: Amazon offers it for the same price for Prime members.