I've never owned an LG so I have no clue how they perform.
I would find out what media code I'm going to burn and then check at MyCE to see scanning results with the combination of media and burner.
Like this thread for the LG burner.
http://club.myce.com/f91/lg-gh22ns50-lg-gh22ls50-311889/
http://club.myce.com/f91/lg-gsa-h22n-post-your-scans-questions-here-191607/