A single FW coupon thread might or might not work.
I suspect that it would tilt to the "not work" column, as unless you had someone as maintainer who keeps the first post updated with the currently valid coupon codes like G0AT does for the Kobo coupon thread in the Kobo forum, people would have to do a lot of digging past all the non-coupon posts to find the latest applicable one.
Posting individually as they come up may be messier, but it seems to work for both the FW and the Kobo and Sony coupons here in the Deals forum. If people decide to repost the new codes to old threads, well, that's their decision.
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