Avoid

not impossible, but just easier and better options)
27" if you want to go upgrade to 700C's
ANYTHING FRENCH, DUTCH, or Belgium
Vertical dropouts
knackered headsets and/or bottom brackets
One piece cranks
cotter cranks
stuck seat posts
stuck stems
other notes:
Just because it is Italian named
1. doesn't mean it was made in Italy
2. even if it were made in Italy, that it is not a POS
read the sticky on this subject