I already purchaced $20 worth of crysta on both my accounts so im payin for a month reguardless but if the game doesnt see a huge injection of fun in the next 6 weeks or so I'll probably just play xbox live games until diablo 3 comes out.
You'll be playing A LOT of xbox live games then, believe me I can't wait for D3 either, but I question if it'll even make it by the end of this year (although i'm hopeful!).
On topic, I think its time they start charging. With the exception of content, the Nov. patch fixed most of the issues people were having with the game being "broken" with UI tweaks and general lag issues alone. To be fair though, if they do start charging subs then give people a taste of the patch before its time to make the cough up the monthly fee so they can see if this next patch is worth them staying around for.
FFXI: Server Ifrit
Licksthekitty - 68THF/41WHM/37NIN/30BLM/20COR Mithra Retired
WoW: Realm Darkspear
Claybosmash - 80 Orc Warrior Retired
Ipwnrice - 70 Undead Rogue Retired