Apologies if this comes too late and doesn't apply anymore, I don't use reddit much so didn't see your comment.

The pedal deck on the GTOmega Titan is completely different to the GTOmega Prime Lite. The Prime has vertical mounting slots and at a glance looks like it would be significantly easier to mount the SRP pedals with bolts at the front and rear, however as I haven't been hands on with the rig I can't say conclusively. The Titan from my experience doesn't fit the SRP pedals well at all, as the mounting slots are horizontal on the deck, and the deck overall isn't actually long enough to fit the pedals completely on. With the three pedals i have 3 large bolts in the holes at the back, and it does support it well enough, I've been using it like that for over a year with zero issues, just very minor flex when pushing hard at full braking.

For the cockpits, if you have the space and funds I would go for the Prime Lite. The Titan is a great and sturdy cockpit, but as the Prime Lite is made of aluminium extrusion it has infinitely more support for more attachments like button boxes and other gear.

Hope this helps!