ConsumerReports.org: Editors at ConsumerReports.org test more than three dozen blenders, ranking them by overall points tallied from individual tests on pureeing, blending, crushing ice and more.
Cook's Illustrated Magazine: Editors test two high-end blenders that say they do more than just make smoothies.
Amazon.com: Owner-written reviews mostly praise the Vita-Mix's power and ability to prepare everything from soup to ground nuts.
ThisNext.com: Alexandra Guarnaschelli, executive chef at Butter Restaurant in New York City, lists her favorite blenders, food processors and mixers -- including the Vita-Prep, the commercial version of the Vita-Mix 5200.
TheKitchn.com: Reviewer Sara Kate Gillingham-Ryan says she loves the Vita-Mix 5200, which makes "ice cream, whole fruit and vegetable juices, breads, cakes, hot stuff (without it exploding all over the kitchen) and cold stuff." She doesn't like the drippy pour spout, but otherwise is thrilled with this blender.
PerfectSmoothie.com: The editors of PerfectSmoothie.com evaluate several blenders, although their methods aren't detailed.
GreenSmoothieGirl.com: This whole-foods enthusiast compares the BlendTec and Vita-Mix blenders but doesn't pick one over the other.
Chow.com: Reviewer Louise Chu likes the Vita-Prep 3, the commercial version of the Vita-Mix 5200, which she says is a "workhorse" in professional kitchens.
PopularMechanics.com: The editors of Popular Mechanics put five blenders through the tough tests of blending whole fruit (bananas, apples and oranges) and ice.
IncredibleSmoothies.com: This is a detailed comparison of the features of the two major top-of-the-line blenders, the Vita-Mix 5200 and the Blendtec.
Viewpoints.com: At this online review site, more than 200 users provide relatively detailed reviews of the Vita-Mix 5200.