Perpetual setup for small grow space

Hello fellow growers and smokers.
I would like to hear your opinions on how to get the most out of my grow space.
I have a PC case with 125w 6500k CFL for vegging and 1 d x 2.3 h x 1,7 w cabinet that has room for two 6litre (~1.6 gal) pots and 150w HPS and 125w 2700k CFL between them (doing vscrog with autos at the moment)
Lets assume that i cant expand my grow area in any way and that i would like to yield 1 to 1.5 or more ounces per month.
How should i grow?
Should i stick to autos, possibly change soil to coco for increased yield?
I guess clones are out of the question becouse i would have to have another room/box for them.
What about going 12/12 from seed with feminised seeds? I guess it would yield the same as autos while taking few weeks longer, but with more strains to choose from.
Or should i grow feminised photoperiod seeds the usual way and tweak my setup for max. yield?
What would you do?
Thanks in advance.

After doing some reading im leaning towards doing 4 plants 12/12 from seed in DWC bubbleponics using DIY system with two buckets planting/harvesting two plants at a time. This means ditching veg. box for good.
So the question is, could i get oz per plant using that setup (still being v-scrog) or would i need more light (surface area of screen is less than 2 square feet)?

anyone has anything to add?