There is no limit to better, because perfection is unattainable.
What this means is that Glitch will approach the state of perfect awesome in an asymptotic curve. Sure, we're pretty far along that curve just now, but there's always room to improve. :)
I hope not. I like what this game has become. So far I see it having so much potential! And. Not to suck up but I have never seen players listened to the way Tiny Speck listens to Glitch players. EVAR. So it is nice they show players so much respect and work so hard to keep making awesome things happen.
I don't think TS is a company that settles for mediocre. They are pushing to make sure this game stays fun for as many people as it can for a really long time. I think it shows in what they are doing.