Just a word of warning: It will take a while to get used to:
a) controlling 3x as many models as you're used to
B) moving 3x as fast
c) shooting 3x as much
d) missing 2x as much
e) having 3x of your enemies weapons negate your armor save
f) failing 4x as many of the saves that you actually do get to take
g) having 10x as much fun