Sort of. Click on your Avatar in any of your posts, then click on "All Threads" and you'll get (I'm assuming) the last 200...
For your own (or anyone else's posts), put in a user name in the "posted by member" box right below the search box. Example, you want to find all your old posts that had to deal with mustangs - put mustang in the search box and 71gold in the member box - it brings up 198 posts where you used the word mustang
Take a look at the advanced search in this user guide http://mmb.maverick.to/threads/searching-the-forums.100595/ You can search by username, date range and content type.