My husband and I are true Harley enthusiasts and often decorate our home at Christmas with a Harley theme. I've written a "How To" article about Harley decorating as well as the Top 5 gifts for Harley riders. I'd like to share it with this forum.
http://hubpages.com/hub/HarleyDavidsonChristmas  

I found a pretty cool gift online too.  I don't know if its top 5, but I like it.  It's a Harley mailbox, which I bought for a buddy but hope to get for myself.  You can find them at this website
www.mailboxworks.com/Harley-Davidson-Collection.html