Help making a feasible Troll Hacker Options

[calypso]

So, I like the idea of a Troll Hacker. But, I need some help from people that have grokked the rules better than I. Since he isn't even a coherent character yet, if you just throw out suggestions, that would help.

For instance, things I have so far:

Cracking and Electronics groups at 4? Or buy them individually, making it cost more but allowing me to get a couple of them to 5?

What weapon to use? I considered a retractable spur, but there really is no advantage to that over, say, a katana.

I like the idea of skillwires for the active skills that make a good runner but I can't afford to get (stealth, pistols, piloting, etc). What do you need for skillwires, just an internal commlink?

Codeslinger (exploit), Codeblock (track), Mild Addiction (hotsim)

Minimum body/strength for a troll, or put a couple points into each?

Wired Reflexes? 1 or 2?

So many questions...

Thanks,
Calypso