Oh WOW...I am about that height as well...I also have a FX suit and it fits me perfect...well with some major trimming!!
Here is a picture of me in it!
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BTW, I am trying to get ELITE status so I have a SDS suit and currently working on that at the moment...I am actually trying to get it ready for an upcoming Parade here in Hawaii!!
For Samskara, I would prefer either or that was mentioned above...TE2 or AP!! Both are close in price!! FX might be cheaper but if you are looking for something accurate then go with what was mentioned! You might end up spending a bit more so bear that in mind...you can spend up to $1500 for other parts as well, boots, undersuit, holster, blaster, gloves!!