All you can do is watch to see if they do what they say they will.
To give you an SLR example, they bought Daisy Milano in Dec 2007 and poured gold at Lakewood in April 2008. There was no messing around. On PXG website the directors look like they are capable of running a junior miner. Time will tell if they mess around and keep themselves occupied with busy work, or tackle getting a mine and mill running head on.
On my leases the resource is over three mines. The first I will tackle is 660kt at 2.2g/t. This is the smallest and easiest for me to get into because it is ready to go and has mining approval.
SLR Price at posting:
$3.08 Sentiment: Hold Disclosure: Not Held