Split Second (R1 US - OOP) - Long time out of print and sells for $60-80 on eBay with ease.
The Car (R1 US - OOP) - Out of print Anchor Bay disc gets $70 plus on eBay daily.
Swamp Thing (R1 US - Recalled Version) - Can be had for $80 and up if you can find one.
Gleaming The Cube (R1 US - OOP) - Prices are dropping but still demands $40-50.
The Punisher - Director's Cut (R2 German - Limited to 500 pieces) - This is the Lundgren version, don't even know what its worth.
Stone Cold (R2 Japan - Limited Pressing) - Took me a long time to find this, right time, right place. Was expensive but worth it. Only widescreen release ever of the Bosworth classic.
Scream - Director's Cut (R2 Japan - Limited Pressing) - Limited issue that will be gone fast so get yours while you can.
G.I. Joe & Transformers Movies (R1 US - OOP) - Rhino discs are fetching $50 plus on eBay pretty much every day. Nostalgia is in!
The Beyond (R1 US - OOP) - Anchor Bay release of this Fulci horror classic gets $50 plus easy on eBay.
Jack the Ripper (R2 UK - OOP) - Anchor Bay release of this Caine starring vehicle gets as much as 100 British Pounds!
and coming soon...
She-Ra, Princess of Power: The Best Of - Secret of the Sword Alternate Cover (R1 US - Limited to 1000 Pieces) - He-man.org exclusive, pre-order now and get your copy when they come out in August after the WizardWorld Con in Chicago.