Earlier quoted context omitted.
Bing is definitely faster and more regular on new sites. Seen it time and again. But I don't know if that matters in the end. Certainly not as much as update speed on the major sites, where Google is very good.
Pretty anecdotal. In that vein, I definitely see far more google IPs in my app logs when they are new and have no traffic. When I see traffic that isn't someone with a beta invite or some bot trying to find a PHP exploit, it's pretty much always google. In fact, I just checked on two sites right now and I'm seeing 66.249.67.152, 66.249.67.49 and 66.249.68.123, all of which are googlebot. I see one yahoo IP (67.195.11…
Maybe it's more random that I would have imagined.