Help- office chair

My new chair - http://cgi.ebay.com/Herman-Miller-Aeron-Loaded-Office-Chair-Graphite-NEW_W0QQitemZ120176156033QQihZ002QQcategoryZ20496QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

http://common.csnstores.com/common/products/HML/HML1019_l.jpg

It is unspeakably amazing. I highly urge you to find something like this, there are a bunch of knockoffs on ebay…

Heres one…

http://cgi.ebay.com/NEW-AIR-GRID-BACK-MESH-SEAT-ERGONOMIC-OFFICE-DESK-CHAIR_W0QQitemZ140174012324QQihZ004QQcategoryZ20496QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Mesh > *