EDIT: Leaped before I really looked. Last time a lot of people had problems with the coupon not being accepted, so might not be worth the effort this time. I only read the first post from the previous thread (at first) and he didn't mention the issues.
Many others did report getting it to work, but took a little effort. Either the code had to be entered manually, or have manager over-ride. The coupon does say it's not good on 'previously discounted chairs', but that's not how I'd describe instant savings discount. So YMMV. (Considering the problems last month with the unclear wording and managers calling for clarification, you'd think someone at Staples corporate would have pulled their head out of their %@# and changed it... but no, exactly the same this time.)
Noticed today that Staples has the Osgood or Torrent chairs for $99.99 (reg 169.99) and a coupon for $50 off any regularly priced chairs $169 or more coupon.
Osgood, black [staples.com]
Osgood, brown [staples.com]
Torrent, black [staples.com]
This is the same deal from last month essentially, so should work the same, but haven't tested it.
Check HERE [staples.com]
for a copy of the $50 coupon. I got it in from my coupon wallet on Staplesrewardcenter.com. Coupon code 88455, exp 3/23/13.
While the coupon does exclude using any others too, I imagine it should still work with the $5 off $25 Shazam coupons, if the cashier will accept it.