what is the best shiatsu massage cushion?

I want to buy a good quality shiatsue massage chair cushion but I’m confused by the different ones. Homemedic seems to have many. I am looking to not spend more than $120.00 or close to that.

HoMedics Shiatsu Massage Cushion

http://www.lnt.com/sm-homedics-shiatsu-massage-cushion-black–pi-1439564.html

they also won a best award.

Therapist Select Shiatsu One Massaging Cushion with Heat $55.00

Homedics Massaging Shiatsu Chair Cushion Seat Upper Lower Full Back Massage $24.99

HOMEDICS Therapist Select Shiatsu Massaging Cushion SBM-200 p $27.95

HOMEDICS THERAPIST SELECT SHIATSU MASSAGING CUSHION W/MOVING MASSAGE MECHANISM $89.99

Discovery Channel Shiatsu Massaging Cushion wAdjustable Spot Massages NEW IN BOX $39.99

Homedics Extended Track Shiatsu Massaging Cushion w/ Heat – MCS-400HB $107.99

Homedics Shiatsu Roller Massaging Cushion with Heat – MCS-325H $53.99

Homedics Shiatsu or Rolling Massaging Chair Cushion $19.99

Homedics QRM-400H Quad-Roller Massaging Cushion w/ Heat Therapist Select Shiatsu $120.00

DELUXE SHIATSU MASSAGING CUSHION W/HEAT, MCS-600H SHOULDER AND BACK MASSAGE $89.00

HOMEDICS SHIATSU LUMBAR MASSAGING CUSHION $64.99 Don’t let a sore back prevent you from doing the things that you want and need to do. Perfect for the office or home, the Homedics Shiatsu Lumbar Massaging Cushion provides soothing heat to keep your lumbar muscles loose and comfortable. Its state-of-the-art rotating massage mechanism gently comforts your back and helps you to keep a great posture while saving your back long-term. Its easy-to-use compact size makes it a perfect item for travel , daily usage and transportation. Use it while sitting at your desk, reading a book, eating dinner, drawing, gaming , car rides and so much more! Features State-of-the-art rotating massage mechanism Shiatsu massage Soothing heat Easy-to-use compact size Be sure to check out a variety of home essentials and sports and health electronics to better your body and living space, available here at The Source. UPC: 031262039019 Manufacturer’s Part Number: BK-K20-0CA

Homedics MCS-350H Shiatsu Massaging Cushion with Heat/Width Control/Spot $149.66 Traveling dual massage mechanismState-of-the-art moving dual massage mechanismShiatsu and rolling massage and soothing heat travel up and down the backProgrammable control with 6 programsQuick heat for a more relaxing massageSpot Shiatsu holds the massage action just where you need itWidth control fits your bodyFoldable design and built-in carry bag for easy storage and portabilityEasily fits most chairsMaterials: Plastic and electrics

Shiatsu Body Massager Cushion $34.99 Shiatsu Body Massager Cushion with Heat includes Versatile Powerful Hi/Lo/Off Shiatsu Massage; Deep Kneading Multi-point Massage Nodes; Soothing On/Off Heat to Relieve Tired and Achy Muscles; Soft Foam Conforms to Your Body; Ergonomic Handheld Control; Lightweight Mesh Insert Panel; 6-Foot Cord.