I have a DL650, not the 100, I can answer part of your questions
a. Will I comfortably fit? I have sat on them and not sure without riding.
I'm about 5'9". You won't have an problems flat footing it. You might need to get some bar risers to make it more comfortable. Depends on what you are used to.
b. I commute and also would like to be able to go on longer trips. Is the V Strom 1000 compatible?
I commute daily on mine year round. They'll do long trips w/ ease. Last month I did KY to TN. Only got to ride one day while there (family vacation). My one day was TN-NC-GA-NC-TN. For the 3 days riding (1 down, 1 there, 1 back) it was about 1400 miles. My only complaint was that I didn't get to ride more while I was there.
c. Do V Strom 1000 have center stands? My Vulcan has been a pain to work on without one.
Suzuki has a center stand as an option; it's what I have on mine. No problems w/ it. There are also a couple of aftermarket ones... I believe that vstroma.com and sw-motech both have them. May be others as well.
d. Are they easy to outfit for touring?
The difficult part is choosing what luggage you want; there are lots of options. I wanted hard cases, so went w/ cariboucases. There are Suzuki bags, caribou, givi, touratech, jesse,etc, etc.
You can also get soft bags; even more options. I use a medium Motofizz camping seat bag that I got from Aerostich for my tailbag; it's a bit fiddly w/ all the adjustments, but holds lots of stuff.
Wolfman makes some nice tankbags that fit the vstrom very well. Not cheap, but well made and hold alot of stuff.
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