Still hoping to see these soon. Have been using browns, ceruleans and pewters but a better-brown with no lube would be my 1st choice 
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I have some experience with Durock Light Tactile now, so I figure I should add it to the conversation.
I have tested DLT using stock springs, as well as TX replacements. I've tested stock Pewters, and also the new Cotton Candy, which is a factory-lubed and filmed nylon DLT.
The overall impression is that DLT-based designs are more tactile. You can watch the following Youtube video:
At 2:30, you can see that the Cotton Candy [~58 G spring, I think] requires more force than a Naevy 1.5. Now, the Naevy 1.5 is meant to be an Ergo Clear, although maybe a light one also at about 58 G.
A Cotton Candy will push down a Naevy 1.5 first. So this DLT-based design is more tactile, or heavier at about ~58 G than a light Ergo Clear.
This was my experience as well. It requires more initial force to depress a Durock Light Tactile than it does a Brown, or light Ergo Clear.
So Durock Light Tactile is on the heavier end of light-tactiles. It's sharp and snappy in my experience, barely lighter than a Durock Medium Tactile. [Although I think there's more 'negative space' after the tactile event in a DMT].
What this means is that DLT-based designs can possibly replicate what is remembered as 'Vintage Browns.' I don't know if the memory is accurate, having typed on very few of them. But DLT is more tactile than MX Brown, and of course smoother and with a tighter housing.
There is a significant disadvantage in sound, as Durock tactiles are often higher-pitched and more plasticy/empty-sounding than Cherry. [Face it, Cherry is godlike in housing sound. Durock is not.] They require lube, but even then I wasn't impressed by the high-pitched, chittery nature of Pewters. Cotton Candy rectifies this somewhat with nylon housings, and may be the best DLT.
So can you make Vint Browns out of DLT? I don't know. They will need nylon housings [probably], lube [from factory or otherwise], and 57-60 G springs [62 is Ergo Clear territory and 52-55 G springs might need some heft behind them].
The colour scheme of OxBlood fits a theme, so I wouldn't change it. They may need to come unlubed, since it's really hard [or expensive] to get good factory lube. Maybe as an option. You can get a good light tactile out of these, although I'm not completely sure it would be a Vint Brown. [The aesthetic can work].
I think that a real recreation of Vint Browns would essentially need to be a Cherry Brown without all the non-sense from worn tooling. So it would have to be like a freshly-retooled pre-Hyperglide MX Brown. [The Hyperglide housings have interference with Cherry profile, which surely isn't a characteristic of Vint Browns].
You could either commission this from Cherry [doubtful, but not impossible. Someone is allegedly doing a custom run with them right now]. Or ask JWK/Durock to copy MX Brown stem and put it in DLT [or even DMT] nylon housing with ~58 G spring. With Cherry-style factory lube, or option for no lube. This could be done in OxBlood colour scheme, I believe.
