I would pick the LLD for the reason of variety. There isn't much to choose from other brand when it comes to the LLD. Other retro/tribute sell way more than a LLD and most of them aren't even that nice.
The SMP however being a modern dive watch. You can easily find substitute. Since you have a speedy in your collection why not wait a bit before adding another Omega.
I have both watch (well ... the smp has since been stolen) I find the LLD possess more character than the SMP. Not that the SMP is a bad watch. It's just that the LLD has more funk than the SMP 
Regard
Tyler
Thanks tyler and sorry to hear about the stolen smp.
Yeah, frankly today i was on the net finding info on this LLD. Here in jpan, ballpark price for new LLD yen 231,000.
But i dont know the brand new price in Malaysia, to make comparison, can someone give me hint?
Because the preloved one nondate is not tht cheap considering its seconhand item in jpan.
This is the only reason i am still hesitating to go to the shop and of course, its been raining the whole day today!
Its true the smp is easily available and lld is quite rare on nondate version.
On the movement of these watches, both are comparable in quality and durabality?
And also i found 3 differents dials on LLD:
- Nondate with automatic inscription
- date with automatic inscription only
- date with automatic and 30 bar inscripition.
Is there any reason behind this?
Thanks