Heidi Klum and BF Tom Kaulitz Hit Disneyland for PDA ... and Rides, Too

Heidi Klum, her kids and her guy all hit Disneyland, and it's a toss up as to who had more fun -- although we're giving bf Tom Kaulitz the early lead. The German super couple -- Tom's the guitarist for Tokio Hotel -- was all over each other Saturday in…