Since the amendment is propossed, that confirms that SOPA would, otherwise, ban Tor. Until the amendment is actually in SOPA, that's the reaility: Tor will be banned by SOPA.
I would need more than that to consider as confirmation. It looks to me like it wouldn't fit under their definition, although it is quite ambiguous.
a product or service designed or marketed for the
circumvention or bypassing of measures described in
paragraph (2) and taken in response to a court order
issued pursuant to this subsection includes a product or
service that is designed or marketed to enable a domain
name described in such an order--
It is not however designed the specific censorship legislated by SOPA. It sure sounds like it is addressing MAFIAAfire (and DeSOPA), but not generalized tools like tor.
