the sk1 is awesome! such a great sound!
there's lots to "tasty bends" in there too.
lots of people have make bending guides,
but i really like the tablebeast one:
http://www.intelligentmachinery.net/?page_id=390
caspertronics has some really inspiring case mods
and bending info for the sk1 here:
http://casperelectronics.com/finished-p
sper-sk-1/
and there's lots of good stuff on the yahoo! sk-1 group
(make sure you checkout out the high-pass filter mod!)
http://launch.groups.yahoo.com/group/CasioSK/