Ditto the above posts and also:
Have you looked at the TV Co-OP thread (in THIS part of the forum) - pay x amount and get x amount of TV juice in many flavors (smaller bottles, organised by forum regulars). That seems quite popular.
Theres also our classifieds section (main page menu, 'classifieds') you can browse.
Also if you start off ordering things that you like in real life, like say a food or drink, you shouldn't go too far wrong.
FYI the 'AC' flavor is wicked strong cinamon, very popular it is too, but only if you LOVE things like red hot candy or big red gum type things.
In general the juices from TV are extremely good, flavorful and you can tailor make them as far as VG and PG ratios go - myself I go with 80% PG to 20% VG so I get SOME vapor without losing the true taste of the liquid.
My current fave is Pina Colada (very pineapply, I love it lol) and German chocolate cakce (robust and delicious imo).