It helps to understand that what you saw in the cutting videos was a result the individual cutting not the tool being used. Still the Dragonfly is by most accounts a failry nice sword. When it came time to purchase mine, I got a Swordstore 7007. Personal preference. One of the big things that Swordstore has going for them is the ability to pick from a wide variety of custom fittings.
You should probably head over to http://www.swordforum.com
There are tons of reviews of these two companies and their weapons already available there. Just use the search function and the maker and model of each sword in question.