SVCD Questions

I have a couple of questions about SVCD.

I have a sony home theatre system and it seems it plays some but not all svcd’s I produce, although my apex can play everything. Why is this the case.

Also, is it possible to put two svcd images onto one dvd so it will play back seamlessly?

Are there any nice quides on svcd out there?

1.) Your sony is a fussy player. If things aren’t perfect it won’t play em. Your Apex doesn’t care, and will play almost everything, even non-standard stuff.
2.) Yes, guide:
3.) Yes, Basic guides
Complex guides