I am the author of Sword & Spear, which is a set of rules for ancient & medieval wargames.
You can find out more about the rules here:
http://polkovnik.moonfruit.com/sword-spear/
And you can read what other people have to say about them here:
http://polkovnik.moonfruit.com/sword-spear-reviews/
What might be of particular interest to people on here is that I am working on a fantasy variant, and it is ideal for Lord of the Rings battles.
Here's a couple of pics from games with GW LOTR figures:
http://imageshack.com/i/f0RZDjO1j
http://imageshack.com/i/idkammIdj
And some from a 15mm Battle of Five Armies game:
You can find out more about Sword & Spear Fantasy (including reading battle reports of the games pictured above) on my forum:
http://polkovnikproductions.freeforums.org/sword-spear-fantasy-f11.html