Extensively learn about a Dyson: DC23 vs DC39 & Dyson maintenance & Dyson tool comparison

This video covers several things useful to people considering the purchase of a Dyson Vacuum cleaner.\r
1. An in-depth comparison between the Dyson DC23 Turbinehead and the DC39 Triggerhead Animal Plus, two of Dysons canister models in different price ranges due to the older age of the DC23. (Animal means it comes with the Mini Turbinehead and in the color purple. The Plus means it comes with the Flat Out tool and the Soft dusting brush.)\r
2. How to maintain a Dyson: disassembling and cleaning the canister and washing the filter (A must for people considering buying a Dyson so they know what maintenance includes.)\r
3. Side-by-side comparisons of several Dyson tools including the Turbinehead, Triggerhead, Brush tool, Crevice tool, 2 versions of the stair tools, Combination too, Mini Turbinehead (found in most Animal packages other than the DC41 Animal which includes a Tangle-free Turbine tool-not shown), Flat Out tool, and the Soft dusting brush.\r
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I paid for both of these vacuums myself and created this video because I didnt see a lot of documentation that talked about the differences between these two Dyson canisters. They seemed pretty similar, but were at different price points. Im hoping it will help people make a more informed decision when they start shopping for a vacuum.\r
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I had a DC26 city, a smaller Dyson canister. I didnt feel as though it was able to pick up paper on carpeting very well. Also, the fancy brush bar regularly got things tangled in it and had to be cleaned after almost every third use. The canister bin size on the DC26 was too small to do two carpeted rooms and a staircase. I didnt like having to empty out the bin when I had a room left to do.\r
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I sold my DC26 after upgrading to a used larger and more powerful DC23 which I bought from a Dyson employee who was upgrading to a ball upright. She spent 45 minutes showing me how to do everything with it, much of which was incorporated into the video. It was 2 years old, a year with her and a year with me, when the Turbinehead started spinning slowly, maybe down to 75 rpm. I disassembled it, even took out the torx screws, except for one impossible one, looking for an obstruction or something, and even did some troubleshooting with Dyson, but it didnt fix the issue. Dyson said they would replace the Turbinehead for free under their 5 year warranty if I was the original owner, but it was registered to the previous owner. So I sold the DC23 after finding a great deal on a new DC39 and making this video. I was pretty tempted to keep the DC23 body and the DC39 Triggerhead and sell the DC39 body and DC23 Turbinehead. The suction increase between the two isnt really noticeable. Also the DC39 feels a tad more flimsy. For example, if you pick the DC39 up and carry it by the handle when it is turned on, you will hear air escaping from the filter seal around the handle. Also, the DC39s filter gets pretty dirty pretty fast. After 4 cleanings, it was 75% full of dust. The DC23s filter didnt really collect much dust. I washed it every 3 months even though I didnt see dust on it, but feel it could have gone longer between washings. The DC39 is less noisy and rolls around a little better though, which I like.\r
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I was surprised at how only marginally better these $200-$500 vacuums were than the $50 Bissel upright, which was much more of a pain to maintain, but way cheaper.