I haven't purchased products that require iLok for a few reasons. One of the biggest complaints I have read about iLok is the lack of 64bit support. Well, I got an email the other day from Plugin Alliance - they have gone away from iLok with some big name plugins, and now, Waves is moving away from iLok. From KVRAudio:
Seems like a trend? However, it also removes any excuse I had to not spend more moneyV9 also marks the introduction of Waves' new easy-to-use authorization system, Waves License Center, which eliminates use of the iLok. Waves License Center offers users authorization activation straight to their computer or any USB flash drive; easy license management; license mobility via USB flash drive or users' License Cloud; and one-click license recovery in the case of lost or damaged devices.

Cheers -
kc