1)
Unspoken by Anaross
At least for Buffy, it's post-Chosen. For Spike, well he's had some dealings with Angelcakes.
Rating: R
Inspired by this quote from James Marsters: "I've always envisioned him giving Buffy a garden that he could never go to in the daytime, to give her something alive for a change."
2)
Come Undone by Lady Wenham
Rating: NC-17
From the author: Buffy makes an unexpected move, resulting in Spike’s survival of the events of Chosen.
3)
Prayers to a Broken Stone by Devil Piglet
Rating: NC-17
Angsty goodness, mmmm.
4)
Disenchantment by Herself
Rating: NC-17
From the author: Magic wasn't through with her yet.
5)
When Tables Turn by C. Roxane
Rating: NC-17
From the author: What happens after the final episode of BtVS? Is there any way for the romance of Buffy and Spike to continue?