I agree. There's something really unique about this LP. For other comps, I'd suggest "I Can Hear Raindrops" Or anything on the Lance/Lanze label.
Personally (though some may disagree) I find the below to be similar to "shut down 66" style.
Edgin-Ins - Don't Try To Hide It
Michael - I'm Nobody's Man
Society - One Way Ride
Allies - I'll Sell My Soul
Canoise - Something I could do
Early Americans - I Love You (I Want You)
Emperors - Blue Day
High Spirits - I Believe
Just Two Guys - Eyes
Kinetics - Put Your Lovin On Me
Mark 5 - Pay
Missing Lynx - Hang Around
Mysterions - Is It A Lie
Odds And Ends - (Hey Little Girl) Before You Go
Remains - Why Do I Cry
Rockers - There's A Pain
Rogues - Next Guy
Sound Of The Seventh Son - i told a lie
Sunrisers - I Saw Her Yesterday
Uniques - Run and Hide
Ceeds - You Won't Do That
Cult - I Don't Know
Cult - You Know You Really Hurt Me Girl
Tallysmen - You Don't Care
Barons - Live And Die
Diplomats - I'm Sad
Effects - I've Been Told
George Edwards - Never Mind, I’m Bleeding
King Pins - Come And See
Male (The) - You're Playing With Fire
Mor-Loks - Lookin' For A New Day
Sites N Sounds - The Night Is So Dark
Tony And The Bandits - (Oh No) I Can't Lose
Young Monkey Men - I Love You
Wonders - I"m Not Willin'
Gary & The Nightlights - Take Me Back
She Gives Me Time - Just Too Much