When we reach 1000+ in the near future, this time it will be very different. Now bitcoin is way more mature, it is way more solid, the software is better, there are tons of exchange alternatives and wallets, it's just ready for the 1000+ territory. The ones that aren't holding BTC will cry so much pretty soon. It will feel great going back home (1000+ where Bitcoin deserves to be right now)
Yeah, exchanges has important role to bitcoin stability and development as now there are many exchanges contribute to developing bitcoin and the day will come when the price reach $1000 and it already take step to step, now the stable price set at $700 and still fluctuate regarding bitcoin supply and demand. We can't compare the price in the past and now will be same because so many factors affected the increases, hopefully there is no problem with any of exchanges or regulations which can lead to negative effects to bitcoin.