Or, "How I Learned to Stop Worrying and Love the Weapons-Grade Crack Whores."

I found that when you dock at a station, it will show the last merchandice category you looked at (at any station), but the inventory list seems to default to the commodities regardless of if you were in weapons or energy last. Unless them hoes be hoes of mass destruction, yo.

It does change to the proper list when you change to another category, but it'll mess with people at first.