What would you pick?

Im currently stuck deciding between a 675lt/600lt/720s Spider.

I drove a friends 650s spider and I was hooked. Ive heard that the 675lt is one of the best Mclarens ever but I also love the interior of the newer 720s. Just want some guidance and some of your owner experiences as I know you cant really just walk in and test drive multiple different cars. Thanks in advance!