I love all of these:
Calvin - fabulous and underused
Leo - great name
Zane - love
Westley - love, though would probably be misspelled as Wesley a lot
Theodore - great
Silas - great
Sebastian - like it
Reed - nice
Weston - okay, bit trendy
Grey - okay
Jameson - not bad
Collin - okay
Greyson - meh
Kendrick - meh, can something be dated and trendy at the same time? that's the feel this one gives me.
Bryant - meh
Derek - meh
Weston - I have a hidden love for this name. Not sure if I would actually use it, but I love the feel of it.
Westley - I like Weston or Wesley better.
Greyson - Not a fan.
Bryant - As a basketball fan, I think of Kobe Bryant.
Grey - Alright, but not my favorite.
Collin - I don't like this.
Zane - Not a fan.
Theodore - Cute, but not for me.
Jameson - I prefer James.
Sebastian - Cute on another person's child.
Silas - I never really liked this name.
Calvin - Not my style.
Leo - Cute! I like it as a nickname for a longer version though.
Derek - Not my cup of tea.
Kendrick - I like Kenneth better.
Reed - Alright.