They're unsure yet to "what extent" Black Ops can be modded as there are "purely technical issues" to consider. It's a "non-trivial" project for the team.
"We plan to open the game up for modding sometime post-launch. We do not know yet to what extent you will be able to mod the game," 'pcdev' of the Treyarch team.
"There are some purely technical issues related to engine and internal tool enhancements that do not easily fit the modtools paradigm. We have looked at it close enough to see that it is non-trivial and we will have to pick it up again post-launch."
"Right now we are completely focused on finishing the game," they added. "And, dev console: confirmed." Call of Duty: Black Ops releases on Xbox 360, PS3 and PC November 9th. I think we all know now which will clearly be the superior version.