I am wondering on the exact same thing. I havnt had time to study the code to much, since Im kinda "depending" on someone else which handles the project to look into this.... umm..
Well, there might be reasons why the digging is so annoyingly slow - running the dig on a brand new computer with loads of CPU power doesnt really seem to speed it up either...
Any feedback on this would be wonderful, some explernations would also make me feel better since I would then be happy with those, hehe.
Well, okidoki.