Originally Posted by AppleCrisp
I ain't an expert but I think if you use weights while punching you will be much faster afterwords without them.
This is true, I use 2-5 lb weights when I'm training my punches sometimes to improve both speed and power.
If anyone has read some of Bruce Lee's books, they would know some techniques. Some are really cool, like there's one where you light a candle and you try to punch fast enough to where the air displaced by your fist puts the flame out.