really? Are you sure these aren't songs that you want on the album, rather than what you think will be on there?

If it's a greatest hits of all their material, those songs probably won't be on there. Just Older wasn't a single, Bad Medicine did WAY better than BTBMB, Hey God pretty much bombed everywhere except the UK (and only reached #13 there... Say it isn't so got higher) and I don't know about These Days, but I've never heard it on the radio, where as I have heard I'll Be There For You. Also, wasn't Always one of their highest selling singles?

Those 4 songs, I think, probably will be replaced with Bad Medicine, I'll Be There For You, Always and probably Runaway (At least 1 song from their first 2 records)

Anyway, if they released a Greatest Hits from throughout their career, I think it will have to be 2 disks.