>>317220186
Updating content is a lot like working with SDK2, and they also added advanced avatar options so you now have parts of 3.0 to play with. 
>>317226987
You can upload 10 things free, avatars or worlds, and if you delete something you free up a slot. 

I'd try and do better than [spoiler]Maebbie[/spoiler] and say there are actual benefits to it even now, but it's mostly that it uses all your cores and not just 1, so even with a room full of tessellating fur nanachis you'll still pull max frames. Dynamic bones doesn't even tickle framerate.