Ranges from $350 (http://www.gunbroker.com/Auction/ViewItem.asp?Item=128140504) to $500 if you want Crimson Trace Laser Grips (http://www.gunbroker.com/Auction/ViewItem.asp?Item=128593847). Of course used would be less.
50-400 usd
25-250 usd
100-400 USD
Your Beretta .32 Auto is worth $100-200, depending on condition and markings.
$250-$350, depending on condition.
50-400 usd
Anywhere from $25 to $100.
ask: felix@bedians.com
20-200 usd
100-1000 depending on specifics
100 or so
Around $300.