RE: What exactly is CA?
CA is usually the glue of choice for most modellers. And it'll find a use with other things around the house!
Rumor has it, that it was originally developed for use 'in the feild' as 'liquid stitches' for the army guys if they cut themselves. hence why it's soo good at sticking fingures together!!
It is better to buy it in bulk (by the once) and it is better (my opinion) to get the 'medium' as it's better at filling small gaps, and dosen't run! Keep it in teh fridge when not in use, as the cold prolongs its life.
But it does dry (cure) very hard. Sanding it weill always be a pain, and never a nicve job. Most modelers use Aliphatic resin (carpenter's wood glue, the yellow stuff) for butt glueing sheets, and parts taht are expected to sanded later. it sand soooooo much easier! but takes a little longer to cure..