Amazon has 5″ Bosch 2.5 Amp Corded Variable Speed Random Orbit Palm Sander Kit w/ Carrying Bag (ROS20VSC) on sale for $53.10. Shipping is free.

Note, product must be sold/shipped by Amazon

Includes:

• 1x 5″ Palm Random Orbit Sander/Polisher
• 1x Soft Sanding Pad
• 1x Sanding Disc
• 1x Dampening Ring
• 1x Microfilter Dust Canister
• 1x Vacuum Adapter
• 1x Carrying Bag

Product Details:

• Smooth Finish: pad dampening system designed to eliminate swirl marks on both flat and contoured surfaces.
• Easy Disc Attachment: through Bosch's signature Hook and Loop disc attachment system, sanding pads stick to the hand sander, acting like a Velcro-adhesion material.
• Variable Speed Control: powerful 2.5 AMP motor allows speed to work-piece and task matching with ease; no-load OPM: 7,500-12,000.
• Dust Collection: features a micro filter system for fine dust and trapping particles as small as a 1/2-micron in diameter. Durable and compact, the dust canister shows dust level and easily detaches for mess-free tasks.