80.9  The Eureka Optima 437AZ is a lightweight bagless vacuum.  At 11.8 lbs it is almost a merging of an upright vacuum with a stick vacuum.  It is less than 100USD and consumer ratings are mostly favorable.

75.7  Consumer ratings for the Eureka 4236AZ are quite average.  It is a bagless upright with HEPA filtration that typically sells for 100 - 150USD.  A common concern for those that purchased the vacuum is its weight (19lbs).  Consumers find this machine heavier than expected.

86.5  This vacuum has a bit of a following.  Some people have had one for 10+ years and others have purchased many – several for themselves and others as gifts.   The Eureka 96 is inexpensive, great for small cleanups and gets very good consumer ratings.  It seems that as long as you understand that you are buying a cordless stick vacuum (and not a powerful full-size upright) you will likely not be disappointed.

85.9  The Eureka 3684F Pet Lover Mighty Mite is a small lightweight canister vacuum that gets good solid consumer ratings.  It is relatively inexpensive and can sometimes be found for 100USD or less.

81.6  The Eureka Optima Pet Lover vacuum (model 439AZ) is an inexpensive, lightweight upright with odor absorbing technology.

83.3  The Eureka Whirlwind Vacuum (model 6510A) is a 12 amp bagless canister machine that comes with an array of tools.

49.0  The Eureka Uno Bagless Upright Vacuum (model 2998AZ) gets poor consumer ratings. 

88.9  The Eureka 3670G is a highly rated, bagged canister vacuum cleaner.  It is also very inexpensive - sometimes under 75USD.

90.1  This corded handheld vacuum cleaner is inexpensive and it gets great consumer ratings. 

85.0  This popular upright won Consumer Digest's best buy award.  It is not too expensive (100 - 150USD), comes with a number of features and consumers give it pretty good marks.