no i wouldn't pay ten bucks for pro, i just use the normal gif maker.
the normal gif maker is a pain tho', it would be nice if they could at least estimate if your gif is going over the size limit before it renders.
the number of times i've given up on gifs after spending hours optimising and resizing the images off-site...and then after 5 minutes rendering, imgflip says the file-size is too big! grrrrrrrrr :p