My collection is slowely growing as well.
So far this is what I have.
Tron VHS (90's release I think)
20th Anniversary DVD
20th Anniversary soundtrack
The Art Of Tron book
OMNI's Screen Flights Screen Fantasies, The future according to cimema. Just came in today.
Just got all four NECA recast Tron figures for my B-Day.
My NECA SARK I left in the packaging. It's one of those with the remade original packaging, #0699 of 1000.
NECA Pull string Red Light cycle with grey Sark
Kubrick set B & C
2 Tron Deadly Discs for Intv. with instruction book in german and one game box.
Solar Sailer for Intv. with instruction book
Maze-A-Tron with instruction.
All three games have the control cards.
One Tron shirt. Yellow lightcycle one relased for the 20th anniversary DVD
Tron Anniversary DVD store pin the cashiers wore.
That's about it though.
I know I got a looooooong way to go.