I think lens is still looking for solutions..who knows, hoepfully the problems wont continue but it makes no sense to transfer/move the newest threads first which is why i dont think this is related to the search server.
Feel free to play with my GFY search if you're looking for something
http://gateway2.fasti.net/search.phtml it may be a little slow but im still indexing all the threads/post... 5+ million posts is a lot to make sense out of