I am having issues with moving parts around in an assembly. When I click on a part face and drag to move the part, there is about a 10 sec. delay before the part actually moves. Also, while adding mates to parts, there is a delay before the part moves into place and if I try and move components that have distance limit mates the move is not smoothe but very slow and choppy. Is this system memory related, video card or some other culprit? I am currently running Vista X64 with 4 gig of ram and am in the process of upgrading to 8 gig of ram. Video card is an ATI Fire Pro 5700. Just curious if anyone else has these problems?