Buy both so you get some variety, Both are excellent brushes and are inexpensive for that nice face feel. Boar brushes should be soaked for 2 minutes prior to using for better results. Synthetic hair brushes are great also and dry quicker than other types of natural hair brushes. Enjoy!
The Semogue 610 is a similar knot in an acrylic handle. It's roughly the same price at Pasteur's Pharmacy with the weekend 10% off sale and shipping is included in the price.