New CTC Owner

[bigo93]

Thanks for the info, will take me a bit before I can do the mods though.

Also any thoughts on print cooling ducts such as http://www.thingiverse.com/thing:191297

Are they helpful at all? I thought keeping the print warmer for longer was better, but then this cools it faster.
So what's the point of these and adding insulating sides on your printer? the two seem to contradict each other.

And when finished with the printer, is it ok to leave the filament in the extruders, or should I remove them when printer is not in use?