On a whim, I used the whisk attachment on my stick blender to aerate my RIS today. It exceeded my expectations and worked extremely quickly. I'll be interested to see the effects on fermentation lag time. If you have one of these, I highly recommend it.
Primary 1: 4 Hop IPA
Primary 2: Apfelwein
Primary 3: Air
Bottled: Hammered Squirrel Nut Brown Ale (btl. 5/9/10), Jamil's Evil Twin (btl. 3/29/10), Crazy Ivan RIS (btl. 2/14/10), English Pale Ale (btl. 12/29/09), Apfelwein