There is lots of great info in this thread.
However, the first person to create a web page where you enter at the top:
(a) A weapon class, e.g. laser carbine
(b) Your HA and CHA for that class, e.g. 3.0 & 5.5
and then you click OK and it lists (sorted by economy, markups of weapons and amplifiers grabbed from peauction) all the laser carbines,
both L and non-L (using the 8%/20% rule for misses), with all the possible amps...
WILL BE GOD! 
We have enough info and skills to make this but afaik it hasn't happened...
(and if the webpage allowed you to type all your different HAs and CHAs for a range of weapons - and then display every singe weapon in the game - it would be the best thing since the Opalo!)