I once hit a 3-year slump. You could just be overwhelmed by the move and the unpacking and the unfinished projects looming. One thing that has helped me out of a slump is sitting down and organizing my fabrics by color, organizing my magazines by date and reading every one of them (this could take days!), and completely cleaning the sewing room so that it is ready for a fresh start. Good luck - and congratulations on the move!