* There are a few North American HD-DVDs, but granted not as many.
* There has only ever been 1-3 BD Problem discs, almost all have been HD-DVDs.
* It's important to make a distinction on how the two Samsung/LG lists are maintained. The Samsung list only contains problem discs reported by more than one user. The LG list contains both problem discs reported by more than one user and only one user.
Regarding the LG BH200, to date there has been only 4 problem discs reported by more than one user. 1 is now fixed (Euro T2), 1 looks to be a result of a faulty batch (French Enemy at the Gates), 1 works for as many people as it doesn't (USA Clerks 2) and only 1 consistently doesn't work for more than 1 user (Babysitters: Adult), which luckily has an equivalent BD, and confirmed working.
1 (3 at most) consistent problem discs "appears" to be much less than the Samsung BS-UP5000 has.
A list of problem discs reported by one user is obviously less accurate, due to not knowing why it didn't work for that particular reason, they could've picked up a dodgy disc/batch for all we know.
Please don't take this as definitive, as of course the problem discs reported by only one user maybe just because no one else who posts on AVS Forum has tried it, but as we can only base our opinion on what is in the lists I'd say the LG BH200 has less disc problems.
We don't know how big the Samsung "problem discs reported by only one user" list would be, as there isn't one