Schach-
http://cordetroit.com/news/crc-schach-mat-information/http://www.crcweb.org/Schach.pdfhttp://forums.dansdeals.com/index.php?topic=45438.0http://www.leishevbasukkah.com/http://www.sensiblesukkah.com/http://www.leiterssukkah.com/http://sukkah.com/http://www.sukkahdepot.com/http://www.sukkot.com/http://www.sukkahrentals.com/http://sukkahoutlet.com/product-category/sukkah-styles/ez-sukkahs/WoodPros: Cheap
Easy to change shape or size as your needs for space change
DIY - most people would be able to build it from scratch or make modifications (e.g. add windows)
Can be converted to chazzon ish (replace metal screws with peg screws)
Can integrate a schlock to the structure
Cons: Heavy, Can warp over time. (note: if you use enough fasteners and are also careful to assemble it balanced this can be minimized)
Needs lots of storage space
FiberglassPros: Easy Setup (on level ground)
Length/width is reconfigurable (you just need to buy a few 2x4 beams if you change layout)
Cons: Expensive
Greenhouse effect on hot days (need to budget for several open/shut windows)
Connection threads can become bent even with proper storage (need to budget for the odd panel replacement here and there)
Can Crack or Break
CanvasPros: Setup in minutes
Cons: Not accepted by all poskim
Poor protection from cold Weather
Wind Can be bothersome.
SUPER CHEAP DIY SUKKAH
http://diysukkah.twinkel.me/