One thing is linking items of interest to established Sites like ML, Track-Link or PMMS.

Please, though, think before you link to 'unknown' sites. Someone managed to link to a Site which had Ripped-Off a PMMS Review (ironic in itself). Now if they are ripping-off PMMS Reviews, they're probably stealing everone else's as well..

There's an excellent explanation of it here:

http://www.perthmilitarymodelling.com/blog.html