For the past year, I've just been oversparging by about a half gallon, boiling for 15 mins, then pouring off a bit more than a quart for a starter, which I put on my stirplate for about 8 hours then pitch before going to bed on brew day. That usually gives me enough time to chill it down and pop it on stir plate before I get to my starting volume. Typically there is activity in the morning when I check before heading out the door to work, if not by then, always by the time I get home the next day. A lot of times when I use Wyeast with a smack pack, I'll leave the pack unbroken till I pitch, then cut it open and pour it into the starter flask. I've been using a lot of different Omega's recently when I buy from our host.