I absolutely love my Ninja Professional Blender...esp single server...it lives up to its 5 star rating. When I first turned it on..I just jumped. .didnt expect that much power. ..the thing has an appetite! And a special thank you for your wonderful staff...I wish I could remember her name. She was very patient, kind...helped me pick the best blender that would best suit my needs...so a big Thank you Wayfair .I have recommended you to several of my friends and family.