I keep finding all these weapon upgrades. I don't want to put them into a weapon only to throw that weapon away when I find a better one. What should I be putting the upgrades into?
closed as not constructive by DMA57361, Drake, Arda Xi, authenticgeek, Wipqozn Aug 30 '11 at 16:58
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If you are going for a lethal/stealth approach, try the 10mm pistol. It can be upgraded to ignore armor bonuses, so a headshot on anyone but a boss would be an instakill.
You can get info on any weapon to see it's applied and potential upgrades when it is in your inventory.
Here is a brief list: