My apologies for not replying here sooner, busy week and checking the forums in the weekend isn't always first priority
In any case I got a reply to my inquiry about what had happened to the TNA 02;
'(...)This part does not currently have an ETA which is why it has been removed from the website.
Once we get an ETA or this part comes back into stock we will put this back up on the site.
May the Forge be with you! India'
So at least we don't have to worry about it being discontinued, it will be put back on the site once it's back in stock, but as per usual there's no ETA to be given - all we can do is hope and wait patiently.
I'm sure that with hearing the massive demand for this part SF might just be manufacturing them in excess right now, just to be safe that once they do put it back up for sale, it won't immediately be sold out again in less than a few hours.
Maybe they're just making sure their pumping out enough of these babies in such a high rate that this situation won't happen again?