Welcome to Bike Forums.
Keep the Jamis Ventura and get a second bike. Not sure what your budget is but have you looked at Cannondale bikes? I love my SuperSix EVO carbon.
Here's the 105 model.
Good luck.
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.