TM is an excellent choice, and you can do as a few others already have done, get both a TK and a TD ;P
Or as TK 4418 in the Nordic Garrison did, got a 1mm TM TK and after a while changed it into a TD, instead of getting an entire new suit.
But as soon as you've been bitten by the armor-bug, chances are you'll be getting more than one suit anyway.
Welcome to the madness!