So as the build of my 54th Psian Jackals Militarum Tempestus Army continues I keep looking at what will be added in the future. Scions and Aquilons for sure. Maybe another Commissar, Primaris Psyker, Regimental Priests (doubtful since this will be updated with new codex). I have 2 of the 3 Taurox Primes and 2 Valkyries. I want to keep the army leaning towards rapid insertion, fast units and non standard Astra Militarum units. While looking I found this:

While it is legends 

How awesome would these be...

But this kit is an OOP FW Kit.... but what about this kit

but thanks to Chainstreet on Reddit we have this

So its upscaled a little but I think I could convert the plastic version into the Lascannon version.......but should I?