After nearly 3 years of meaningless existence as a doper I still use the following method to find all my recent posts…
Find a thread I know I posted in. Find my post. Click my name. Click "Find all posts by Lobsang.
Is there a quicker way that doesn’t tax the boards and doesn’t require having to search for a known posted-in thread?
At the top of the board, “Quick Links,” then “My Profile.” There’s a link in “My Profile” to do the same.
Thanks 
I was trying to find it in ‘User CP’ with no luck.
I click on Search, then Advanced Search, and type “Manduck” into the User Name search box.
That’s likely a far less server intensive way to go about it than any of the above methods, especially if you have your default search frame limited to posts within the past 24 hours.
Yes, except that the time-frame-related search bug means you won’t get reliable results if you do a username search with the same time parameter more than once in a limited span, which I haven’t tested extensively but which feels like about 48 hours.
That is an annoying bug, and I don’t understand why it hasn’t been fixed. The previous version didn’t have it.
Judging purely by the copyright notice for vbulletin at the bottom of each page, they’re still using version 3.0.0, whereas the latest version is now up to 3.0.5, which I imagine would fix a bug such as that one.
However, upgrading a bulletin board can be bothersome and sometimes time consuming, so I am not too surprised they have put it off for a while.