Ken, it's probably the same plugin I referred to you over at the other forum.

Turns out Google just doesn't provide a skp translator api for 64-bit OS'es. So those using Vue 7 64-bit, won't have the skp option on import.

For more on the status of SU import check out:

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2760750&page=2#message_3373378