Sicarian Variants: What Would Be Cool?

So, I have a question today, what variant of what tanks would you like to see most in the Horus Heresy? For me personally, the Sicarian is so awesome that variants of it can only be a good idea.

Progress for the VIIth Legion 32nd Vanguard company

It has been so long that i had forgotten how to use a paint brush, but life has taken some turns for me and i am able to hobby again. So where i left off about a year ago i had a few pics of the very initial stages of painting for a vanguard company of imperial fists. This company was gonna be all about breachers and armour using the Stone Gauntlet Rite of War.

So with a local fun tournament just over the horizon run by the guys at A Traitors Hand, I've pulled my finger out and got back to putting some more paint on these guys. Here are a few pics of my recent progress