With all the good news coming out in favor of bitcoin like
Expedia accepting bitcoin etc it's time to buy with the price going down. You will not be so lucky next week. I strongly believe it's going to reach $700 by end of next week!
Now is still the best time to buy for more bitcoins since the price is still low compare to the price last quarter of last year when it reached 20000 dollars. When you buy at this price of this time you can make huge profit someday.