Azran Legacy's ending is certainly the closest Level 5 have got to the ending of Lost Future, but I don't think they are ever going to be able to top that.
The ending of that game was just so perfect.
Now I did like it, but the thing about *ending spoiler*
Layton thinking he sees Claire, then realises she's Claire's cousin, then being told she's actually Claire and then she, of all people, suddently has to go to the time where she should've died to die