Recreating Typographic Art

This is one of my favourite typographic pieces on the net so I really wanted to see if I could recreate it (and do it justice):
I've done three versions; the first two are very similar, only the larger letters have been duplicated and the opacity has been lowered to make a drop shadow. The third is just a monochrome. I had a few issues because I didn't actually have Helvetica so I used Arial instead.