In the future when it becomes possible to deposit other coins they will still be converted to bitcoin when you deposit, and you will then play using bitcoin at the tables.

So if you have another coin that you'd rather use today and you don't want to wait, you can just convert it to bitcoin and then deposit.

The Bad Beat Jackpot was just hit again a couple days ago:



The best Bad Beat Jackpot in poker... the minimum buy-in at the lowest stakes is only 0.001 BTC, there's no extra rake or jackpot drop taken to fund it, and the hand requirements make winning/getting a table share realistic for everyone.