From personal experience, I knew what his health issues were from years of smoking. It still doesn't lessen the blow.
I've been a Trek fan my entire life, longer than I've been a Star Wars fan, so I'm definitely "old school". My earliest tv memory is Spock walking down an Enterprise corridor. The character was a huge part of my childhood.
One of my cherished possessions is a Wrath of Khan Spock mug my Mom gave me for my birthday many years ago.
I was in the middle of rewatching the animated series, but I think I need to pause for a while.
If Doctor Demento was still on the radio, one of Nimoy's songs would probably be #1 this weekend.