Exactley Xander!

Furry, I dont think you really need to UV this simple model, is it just a poly cube with a basic shader attached with the wood texture placed in the colour channel?? If so you really need to play about with the settings of the wood material node and its placement node to get it looking right.

Also have you increced the Hardware texture resolution as I suggested???? Doing this would increase the quality of the look of the material closer to what i would be WHEN its rendered whilst still being in the viewport.

Just TRY what were suggesting rarther than going the UV route, trust me.....