Dmitry has stated that btc-e is very much against premine, when asked why no new coins are being added he stated: "all new coins with premine

"
Somebody who speaks russian may be able to convince him about monero. I speculate that btc-e may also prefer to own a seisable stash of whatever currency they add. That may be more of a difficult feat. I have some vague memory of something like FTC devs paying a huge chunk of coins to get it added, but in another case btc-e ended up doing a proof of burn after accusations of recieving coins (maybe that was TRC or nova?). Don't quote me on that, maybe somebody else remembers better.
Monero being added to btc-e would definitivly take the price and volume to a new level, likely beyond LTC.
We're supposed to hold off on the marketing blitz until the database and wallet are done-ish.
Then we'll commission a spiel for exchanges ("zomg look how much btc/xmr volume already and just imagine the fiat pairs...!") and translate it for the hardworking prosperous BRICs and lazy heathen PIIGS.