Stylus              Pro's  Con's  Comment
 DAGi most accurate
(transparent tip w/ bullseye)
Awkward to clip to iPad case spine.
Must be correctly oriented to use.
Tip could catch on something. No cover provided.
Pogo Sketch Lightweight aluminum tube.
Conductive foam tip can wear and/or be pushed into tube Lowest cost
 Griffin Very smooth writing action.
Metal clip.
'Rubbery' tip might need periodic cleaning.