Interesting way, TBH the first movie seems a bit out of place. It does tell us of the Anakin's origin and the initial manipulations of the would be emperor, but I do not feel that it's critical to the plot line, especially with all that jar-jar and naboo crap.
I'm surprised no one has heard of the machete order.
http://www.nomachetejuggling.com/2011/11/11/the-star-wars-saga-suggested-viewing-order/
I just discovered four-year-old Machete Order (IV, V, II, III, VI) about an hour ago ... somehow I missed this post from last month.
The evidence is compelling, well-written, punctuated perfectly with precision-placed swear words.