Light & tent question 400 or 600

Getting an apollo hps either 400 or 600. need advice.

should i get the 400w
with 32x32x63 tent or 36x36x72

Or

should i get the 600w
with the 36x36x72 tent


???

thanks for the help. ive been looking through forums. just thought id go for some fresh answers

600 with a 4 x 4 x7 sounds wonderful! If you can swing both maybe grab both, you can never have enough space for plants imvho!

4x4 not an option. too big

3x3x6 with the 600W

Buy the biggest you can afford, if you're like 90% of people on these forums you'll be lookin to expand in no time, shit gets addictive.