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That seems to be the the same every where... (heard but not seen)
This can get confusing
Your site submitted to the Excite directory and the rest of the LookSmart Network
*Within two business days you will be notified whether your site qualifies for inclusion in the LookSmart Network, which includes the Excite directory.
I would guess that it goes into L$ first
"..inclusion in the LookSmart Network..."
then Excite updated their DB and get's the new listing at that time.
"...which includes the Excite directory..."
I have submitted sites to L$ and it took a 3 weeks to get into excite but it did show up.
I think I'll try the excite express and track how it flows.