Computer Chair

Computer Chair
Where can I find an inexpensive computer chair?

I’m looking for a decently comfortable computer chair that I can get for under $200.. any ideas of where to look? Any help is appreciated!
I’m in the southern Ontario area.

http://ergonomic-chairs.officechairs.com/Eight-Way-Ergonomic-Desk-Chair-CH00454.aspx
https://www.schooloutfitters.com/catalog/product_info/pfam_id/PFAM4252/products_id/PRO12330
http://www.officechairstation.com/mid-back-executive-leather-plus-chair-w-sled-base.htm
Like any of these?

Ergonomic Computer Chairs – Bestselling Online Models