well put Gip... a good point indeed!
let's see... ::looking over to workbench:: I have 1 pair dissection scissors (Anatomy and Physiology in college.... cut like a RAZOR!) 1 pair cuticle removers... like the tweazers Mike has but bigger, great for add shaped parts to get in close to the part on the sprue, 1 pair Excell sprue cutters... good for most stuff, 1 flat, 1 chisel, one rounded blade for the Xacto for different things, works great in odd cuts on the sprue... 1 pair toenail clippers, flat head... work good for most of my med sized parts on the edge of the sprue..
each one has a purpose, some were a little more expensive than the other some were dirt cheap! (cuticle removers were 3 something at Wal Mart without tax, toenail clipper about $1 at same)
a lot of it is just seeing something you think might work and trying it... some of it requires the special cutters... like the tweezers Mike showed, something I am interested in...