Converted a lot of my workout dvds over to Plex and am going to try to work through them. In the past I always made excuses about finding the right dvd, etc. Now with Plex, no more excuses! Started Power 90 yesterday, and plan to stick with it as much as I can. Got my wife's walking and zumba tapes on there too.
With the "plex it" I found a ton of workout videos on youtube too. Amazing what all is out there.
For the conversion process... I used dvd shrink for the first part... then tried the vobs to see if plex on roku would take them. Some they do, some they don't. Most of the ones that don't work are older dvds, like the first power 90 disks, so I think they are in mp2 format.
I'm using virtualdub to convert to avi, and then divx to convert the avis to smaller filesizes on the ones that don't work so that they will work. Virtualdub avis are freaking huge otherwise... one little 30 minute tape might be 30-50 gigs! After divx, it's less than a gig in size for the same thing.
Found a plugin listed in a youtube video on how to make older dvd conversions work swell, and it helps a lot. Otherwise, virtualdub was throwing a hissy fit about some code being wrong or something.
In the media center, if you right click you can untag the tags plex puts on the vob files, etc. Otherwise, just about every movie will be tagged as Cars or Avatar, etc.
http://forums.roku.com/viewtopic.php?f=28&t=46566&p=359897#p359897 -channel lists/tools
http://forums.roku.com/viewtopic.php?f=28&t=64096 -linear channels