Python vs. Perl
Python.
Opening brace on new line vs. Opening brace on same line
Real programming languages, such as Python, do not waste your time with braces.
Besides, when did Dentists deligate brace placement to programming languages?
Little edian vs. Big endian
Little endian.
Because less is more.
Tabs vs. Spaces
Spaces.
Reference semantics vs. Value semantics
That's like asking if you want a fast car or a rugged 4 wheel drive jeep. Depends on the task at hand.
Linux vs. BSD
The devil is cute but I still prefer Linux.
MySQL vs. PostgreSQL
PostgreSQL
Mountain Dew vs. Jolt
The only difference is the food coloring. Doesn't really matter, I'd drink both if nothing else was available.