CRAVE by nautibitz
Summary: Devilish billionaire Spike Pratt is accustomed to getting what he wants -- and what he wants is his beguiling, headstrong new daughter-in-law. Buffy refuses to give in to his relentless advances -- at first. As she learns about the amazing man behind the armor, she can't help but shed her own... But what will happen when she finally digs up his family's buried secrets -- and when her husband discovers hers?
http://www.livejournal.com/tools/memories.bml?user=nautific&keyword=Crave&filter=all Love Me For Me by Kimber
Summary: Buffy and Willow go on a cruise. They meet Spike and Wes who are TV stars doing a convention for their TV series. S/B, W/W, X/A, and G/J.
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=8422Want, Take, Have curly-kitty
Season three-ish. Buffy learns more than anyone ever knew about her Slayer powers and where they come from. Will Spike help her break the Slayer pattern of dying young? Or will he not be able to provide what she requires for a long life?
http://www.fanfiction.net/s/5105320/1/Want-Take-HaveWith a Rebel Yell by Bloodshedbaby
Summary: Altered events of Season 2. Due to circumstances beyond her control, Buffy finds herself at an 80's Flashback night club where she finds the Billy Idol impersonator a bit, uh, familiar.
http://www.nocturnal-light.net/fanfiction/story/20/1/With_a_Rebel_YellOut of the Ashes by Revello_1620
Summary:
What if it wasn't Angel who left S3? Feeling lost Buffy heads off to find who she is without Angel and her Sunnydale friends and Spike just happens to be on the same personal journey.
http://dark-solace.org/elysian/viewstory.php?sid=1470&ageconsent=ok(This is complete however it leaves off with you waiting for the sequel as there is lots of unexplained questions and unfortunately there isn't one.....yet??)