Yes, it looks strange, this is the background removed wtih AI (just wanted to try it) I guess it did its best.

For sale locally, the owner inherited it. Chatgpt says its probably a 07-08 Dura-ace with canti brakes.
And being in my mid 50's and only a hobby biker, will I regret riding this on railtrails, local packed gravel? I'll never race- and spend half my time on pavement.
I have an upgraded Ozark Trail ridge that is comfortable, but feels so sluggish compared to my road bike, an old Ultegra Arenberg that is very enjoyable to ride but not well-suited for our gravel trails.

Would the geometry feel more aggressive than my Arenberg (with similar setup).

Marketplace has been tempting me lately and I've already purchased a lefty Prophet and a Dahon Classic III for the trunk.
Talk me out of another bike that I want, but don't really need.
Thanks for any advice.