My 3910 in pal has a chroma delay problem. Bought it back to the store and checked out another.. same problem, tried a 2910 and yes same problem. (same board) Denon Australia are aware of this problem that the DVD 3190 has this issue with Pal Zone 4 (after the owner rang Denon) and YES and firmwire upgrade to solve this prob is about 2- weeks away. Check with a colour dvd or THX optimizer and the problem is with green and magenta you will notice a bleeding No issues at all with NTSC. Moli