I would suggest adding "depth" button on upper-right corner in the chart, and widening order books. It would be great if order books have price and amounts of both assets (e.g. Amount(NOTE), Price(BTS/NOTE), Amount(BTS))

https://github.com/BitShares/bitshares/releases/tag/bts%2F0.9.0-rc2

https://github.com/BitShares/bitshares/releases/tag/bts%2F0.9.0

https://github.com/BitShares/bitshares/releases/tag/bts%2F0.9.2