Here's something else to think about, insurance costs! I looked breifly at the SF this past spring when I bought my bike and was floored at the cost of insurance compare to other models.
Here's my comparison. I currently have a 2006 S4R Monster. 100/300 coverage in Liability/UnderIns/UnIns, with 100 Deductable comp, and 500 deductable in collision. I'm 25 with 1 ticket 2.5 years ago.
My S4R is $427 a year.
As of the quote I just got today to replace my S4R with a 2010 SF, $1904!
That's not a missprint, a $1477 per year increase! Now I know my S4R is not a 98 M900 but I would bet the farm your insurance will go up.
pretty hard to compare insurance costs between people though... like i said in my previous post, it only costs me $600 a year for my sfs with full coverage. that's up $200 a year from my 796.
then again, i'm 33 with 0 tickets on my record since 2000.