I went with this Hayley Kaplan that is a derivative from this:
Less stimhacks because I can't stimhack properly and usually I leave them in my hand.
Masterwork very useful to have that little extra MU and make that installing hardware more efficent.
Buffer Drive because I go with a Jinteki PE and I tend to expect that there are more out there. If you don't need it you can use it to recycle what you trash with stimhack and put that stimhack up in a pinch.
Deus X because I like to run more carefree. But I don't know if it would have been better an ika or something else.