Arco Floor Lamp

I have been dreaming about this lamp for years and I'm finally going to bite the bullet and buy one.  But now I can't decide whether I want flat circular base or block base and whether I want white or black marble.... HELP ME DECIDE!!! 

Note that the square block base is an extra $60 (not that much more)... and it has a more discrete insert into the lamp shade (the circular based insert into lamp shade is shown below... unfortunately I haven't been able to get a photo of the more discrete insert from the block base).  I should comment that these photos are taken from Life Interiors - http://www.lifeinteriors.com.au/.  I am leaning towards the flatter base because it doesn't go so high and I'm worried it may not fit - but I will check these details when I finally move back into my apartment.