A pure DW army may be way too intense for a noob at TT. You're giving him like 16 models and 1 vehicle when the enemy can field like 40 and 2 vehicles. It wouldn't be efficient. Have him play combat patrol at 400pts or a small 500 or 750pt game with regular tact marines. That'll get him hooked a lot faster than him getting obliterated @ 1000pts