As it's in a similar shape to that, so I guess people could recognise it from quake, but I like the most recent one you posted without the arial, looks good.
Could perhaps vanilla one be available as a cvar, so people can have a pic of what they like? eg, r_dynamicglow 0 = no glow, 1 = vanilla, and 2 = rend2
How long they have been playing for? Most memorable matches? Best year to have been playing competitively? Advice to new players wanting to start playing competitively? Why they chose to play ESL/CTF the other?
I had a chat on #JACoders about this, what they said iirc (which worked for me) was that as long as the length of the name(s) you're changing stay the same, it shouldn't cause any problems. Out of curiosity, what model's path are you trying to change?
Judging from what you have said and described, I would say it is a fairly large project, due to the numbr of models, levels, voice actors, etc you need made/done.