Not sure if you've read these but her goes a few more:
Something Worth Fighting For---By Moxiehttp://www.sinister-attraction.net/stories/m/somethingworth.htmSummary :The premise is that William spent two years in prison for a crime he didn't commit and the story begins at the point at which he starts to rebuild his life. He'll find himself working with Buffy, sparks fly (of course) but she's got to get him to believe in himself again before he can love her. I'm thinking beach side setting, Victorian clapboard houses, antiques shopping, dressing up in costume, oh and a book called The Art of Seduction may make a cameo appearance.
In the Dark With You---Moxie http://www.sinister-attraction.net/stories/m/darkwith.htmSummary: The year is 1835. Elizabeth Summers is injured while fleeing from a forced marriage, but when she realises who her rescuer is, she begins to think she may have jumped out of the frying pan into the fire. Are the tales about the golden - haired vampire who lives in the old dark house on the cliff, true? Or are they just stories made up to frighten children? She's just about to find out!
Weave and Tear --- by: ALANTIEhttp://www.sinister-attraction.net/stories/a/weave.htmSummary: AU- The gang and Spike and Buffy are a close-knit bond of friendship, even as their college lives come to a close and their careers begin to blossom. But change happens, and the bond will soon unravel. You decide if its for better or for worse.
Never Be the Same Again---FOREVER MEhttp://www.sinister-attraction.net/stories/f/neverbethesame.htmSummary: Buffy is at university in England and is dating her long term boyfriend, Riley Finn. Her life seems perfect, but things never stay that way, do they? Especially when her new friend Spike gives her something to compare Riley to...
Speedway ---by Jypzrosehttp://www.nocturnal-light.net/fanfiction/story/101/SpeedwaySummary: Five years ago, William 'Spike' Giles left Sunnydale to pursue his dream of racing stock cars. He left behind the love of his life, Buffy Summers, who couldn't deal with the dangers of his chosen profession. After an accident on the track, that leaves him nearly crippled, Spike returns home to heal, both old wounds and new. There, he finds Buffy again, and he realizes that he never stopped loving her. There's two problems. One, she's moved on with her life. Two, his need for speed still scares her. Can they get past their fear and find love again?