You're not concerned with matching sibsets so I won't be either! I think your list is pretty tame compared to Stellan, Shiloh and Mohin.
Twin Boy 1: Jude Winston (I usually don't like one syllable fn and ln combos but Jude Gray is pretty cool!)
Twin Boy 2: Kai Waverley (your husbands likes this so why not use it as a mn. I like the fact that both boys share a "W" mn).
Here are some suggestions from different styles/cultures.
sparrowfinch – I really like Sylvan and Soren, I’ll have to mention it to my husband!
sheflieswithherownwings – I love it too and thankfully, so does Shi! He’ll be the first one to tell you, “hi, I’m Shiloh, like the dog!” :) Jude Winston is on my list as a complete name, along with Jude Walter because I love the sound of Walter Gray (I’m really pushing for Walter Riley or Walter anything). I also love Arthur Milo.
mischa – I actually have Jude Winston paired with Kai Waverley on my list so it’s pretty funny you would too. And I completely agree about Jude Gray. I LOVE Atticus and Leopold but my husband doesn’t.
Thank you all for your help and a Merry Christmas to you and your families!