Any input on this new tool for DSLR's?
Yes, it has been discussed a couple of times over the past few days. Just click on the "search" tab at the top of the page and type in "arsenal". You will see the discussion topics on it.
By the way, welcome to UHH.
If you want to reply, then
register here. Registration is free and your account is created instantly, so you can post right away.