Instant exchange is a must have feature on DEX. It would be cool if it was integrated into "Send" page. Say, Alice need to send 0.1 OPEN.BTC to Bob, but she only has bitEUR and bitUSD in her wallet. The client would suggest her to exchange assets which she has. It would be also cool if it could do exchange through multiple hops to get the best exchange rate, like bitUSD -> BTS -> OPEN.BTC.