The Dremel Multi-Max, the Bosch Multi-X and the Rockwell Sonicrafter are some highly rated oscillating multi-tools. The price of oscillating multi-tools varies widely between brands, motor size and amperage, and included attachments and accessories.
Dremel's Multi-Max has a 2.5-amp motor and three oscillating angles. It features a tool-free system for attachments, but only accepts attachments made by Dremel.
The Bosh Multi-X has a hefty motor and oscillation options ranging between 8,000 and 20,000 per minute. It only uses Bosch accessories, but comes with five blades and 15 sanding sheets.
The Sonicrafter sands and cuts. It comes with six accessories and accepts attachments from 16 different brands.