I've tried the suggestions above without much in the way of results (removing sinks and countertops). I'm with you, hope there is a patch somewhere down the road.
Recently upgraded from x5 to x6 (x6 really slow, x5 was fast)
PC info:
Intel i7 Core i7 CPU 920 @ 2.67 GHz
RAM: 12.0 GB
64-bit operating system, x64-based processor
Windows 8.1 PRO
Anyone else had this experience?