Only altcoin exchanges we are missing right now is btc38 and cryptsy, we should get monero added to that! Spoke to fluffypony also on IRC and the GUI wallet is taking some time because the lack of funds.. If more funds would be donated they could hire skilled developers to speed up the work.
Monero is on voting list of btc38: http://www.btc38.com/trade/vote_for_trade_en.html
Interesting thing is that you can vote by donating btc, maybe we can set up a small fund for this? Would do monero and it's liquidity good if it would be added there. BitsharesX volume was in a few million dollars if I recall correct.
I have a different way to look at it.
You should never have to vote to get a coin listed and you should certainly never pay. Exchanges will list any coin with merit because they want to make a buck. The pump and dumpers love to vote up coins to unload them. I despise the entire structure because it smacks of corruption from the getgo.
How about turning it around? Exchanges should be paying developers to list coins or paying them a cut of each transaction. I am not a fan of the evil known as exchanges. I long for the day when exchanges are decentralized through a peer-to-per network.
In illiquid, low-market cap assets like these, one person acting is too often interpreted as "the market" acting. 
Merchants can also conduct lotteries for their products: for example ASIC Hardware's, Graphics Cards, other services, etc.
