If its the Verlinden pe I wasn't too impressed with it ( others would probably disagree ) alltho the 718 kit gives you alot of detail options,,,all the Eduard pe I have used has been fantastic,,,,,if your worried about using the kit parts Eduard also makes a mask set for the 1/48 B-17 I believe the mask set is a EX-106,,,and it is for the glass for the entire plane ,,,ball turret, radio room, dorsal turret,,ext,,,,Squadron makes canopy sets as well,,,I guess its personal preference and what your comfortable with,,,,,, if you want to use kit parts the mask set is the way to go I think,,,,,