Bissell is a reputable name in the vacuum cleaner business. You could find reviews on cnet, or go to amazon or newegg and read the customer reviews. You could also look at consumer reports.
The upright vacuums are easier to navigate and easier to clean. Most upright vacuums are bagless. "Normal" vacuums have bags that constantly need to be replaced.
Yes, Bissel upright vacuums can be purchased at Target, though selection will vary by store. Typically, Target's full selection of vacuums can be view at their website.
Bissell upright vacuums give excellent quality for the price. They do not clean as well as more expensive brands, such as Dyson, but at 1/5 the price many people find that to be an acceptable trade-off.
User reviews for upright Bissell carpet cleaners can be found online on various websites such as 'carpet-cleaners-review', 'productreview' and 'amazon'.
Hoover, Bissell, Eureka and Dyson cordless vacuums have received good reviews. Other vacuums with positive reviews are Electrolux, Dirt Devil and Black & Decker.
Consumer Search has reviews of handheld vaccums from companies like Black & Decker and Bissell on their website. This URL will take you to their page: http://www.consumersearch.com/handheld-vacuums
The Bissell 32074 Replacement Belt is for bagless vacuums.
Bissell upright vacuums probably operate just like any other vacuum cleaner. When you flip the switch, they begin to produce suction so that floor debris can be picked up and thrown in the trash.
The Bissell replacement belt will work on all 3-series vacuums, which is a fairly large variety.
I am not sure if the Bissell brand offer vacuum sealer bags, but you are able to buy vacuum sealer bags that works with Bissell brand vacuums. Most bissell bags for their vacuums are the regular vacuum bags.
Dyson typically has the top rated vaccums. Bissell and Hoover vaccums are also quite good. There are different categories such as canister, small, and upright vaccums to choose from.
There are stick vacuums, small vacuums, central vacuums, canister vacuums, and upright vacuums. The type of vacuum one would want to purchase depends on what the vacuum is going to be used for.