Some good points everyone, thanks for the replies.

You're right about the low break point with cavalry heavy armies. The exception is my friends bretonnian army, taking as much cavalry as he can won't lower his break point.
I think you're right about the terrain. Woods will favour the infantry much more, we did use quite a bit in our last game. I am now tempted to make a terrain generating chart. I'm also painting up four more N-gauge scale houses, so we'll have a few more towns as well.
Here's the terrain we had for our last game. It's a game my opponent won, and he used 15 units of cavalry. It's hard to say if that was the deciding factor though, because his rolling was amazing. It made both of us laugh, he kept apologizing. Out of 12 attacks, he was rolling 11 hits.

I was Orcs, i deployed at the bottom end of the picture. In this game i held both woods on the left

Is this about the normal amount for terrain? the gaps and size of woods are roughly correct for scale
I'll have to do a battle report when we're more comfortable with the rules, so you can see more clearly.
@pw.... yeah the balance between tea, biscuits and music is the same with our games
