I can't agree that I feel it's run its course, but again I've got a handful that I'll be disappointed if I never see them updated in the line... All resculpts of existing modern figures ironically.
I think when it comes to secondary characters there's a lot of well-dipping left too, but it's really getting obscure at this point, save perhaps for vintage updates.
I'm fairly happy... The only thing that prevents me buying up army builders like I used to is the price, actually. I think a lot of the repacks make sense, and like Landothescoundrel said, some of the LEgends line works... better than others I believe. Not sure where the sales data is on Plo Koon and Sae Sae Tinn that have them out there in hoards like they are, but whatever.
I personally have seen it worse than it currently is, but that's just my local situation... I didn't see much at the tail end of Episode 1's line, and the latter saga stuff (2003/2004-ish time frame). I'm in the quagmire too right now where very little Legacy is getting out... Some, but it's a fraction of what Legends/Clone Wars is getting, and there's really no space for new Legacy to go anywhere as the pegs are full of either repacks that probably shouldn't have been repacked, and the aforementioned other lines.
I figure it'll carry on, so I'm not panicing. I ordered most on HasbroToyShop recently and just need to track down Rum Sleg at the moment... Not counting those ****** ball turrets we're being screwed into buying 2 of to "have a set of balls", haha.
Which if we had, I suppose we'd not buy any... *sigh*