TBH your not that heavy,I'm 16 1/2 stone and I have 3 mbs decks a blade ,comp 16 and pro 95 and they all take my weight sweet as,If ur a bit shorter in stature then stance width might be more of an issue.
Stick with established brands(G.I,MBS,Scrub,Tampa et all)and you can't go wrong.
If you can pick up a good board second hand it will hold its resale value well for when you want to flog it of to buy your dream set up, check out the for sale section for sweet ride