I still see it when placing orders. We usually only sell the faster, high-reliability drives. Tried the normal ones recently because they were available, but got complaints they were noisy. So just this week I found some, but only in packs of 20. Its worth it.
For more info: http://www.crn.com/news/storage/232600019/hard-drive-shortage-hits-enterprise-drive-shipments-hard.htm