Congrats on the '06 900! Great year for a great bike, I know!
I have the Mustang seat on mine. I can't say enough good things about it. It looks great and I can ride all day comfortably. Damn good when you consider I have a lower and upper back injury.
And the speedo query; Much has been said concerning this topic. Search it like
said and you will be rewarded with plenty of reading material!
I considered installing the resistor as per some posters on the forum. It's not a big deal for me as I am an Electronics tech by trade. I decided not to alter the speedo for a few reasons.
The indicated speed puts me slightly under the posted limit. Good for avoiding tickets. This in turn allows me to spend my money on mods.
I use my Samsung S8 as a primary instrument on my bike. (Music, Intercom, Navigation, Phone, Trip Recorder...etc) The GPS Nav gives me a very accurate speed indication regardless of my current configuration.
Even after altering the speedo it still won't be spot on. Just closer.
Tire size will slightly alter your actual speed indication as well.
The '06 Vulcan 900 Classic Lt came out and I fell in love with it. I knew I would own one some day. I felt very lucky the day I found and bought mine.
It's such a wonderful bike. There are so many after market mods available. Buffy never fails to capture a lot of attention wherever she goes. She is quite the head turner.
Welcome to the 900 Classic Club. May your journey be filled with ooohs and ahhhs. And just remember this; there may be a lot of chrome out there...but there is never too much chrome out there.