I helped out with my one free vote. However, that brings the total at this time only to 2 votes, which means even most of the developers themselves have not voted yet.
It is apparent that the equivalent of around 500 to 900 votes is needed to get the coin added. To get that number, most of them are going to need to be paid votes costing 1 mBtc each, so the total cost would be moderately under 0.5 to 0.9 Btc.
Obtaining that may take getting the ball rolling in a concerted effort. For instance, I considered donating up to 0.1 Btc myself, but I am hesitant to do so with present uncertainty over whether it would do any good. On the other hand, if vote attainment does start seriously taking off, myself and perhaps others will be more likely to donate.