News: NPH to GLEE?

EW's Michael Ausiello broke the news that FOX's Golden Globe winning (nice, right?) Glee is working on getting How I Met Your Mother's Neil Patrick Harris to do a guest spot on the Joss Whedon directed episode coming out this May.  If this goes down, greatness just got a little bit greater.  I remember thinking to myself, "NPH needs to do Glee", but I never thought it would happen. I guess sometimes it pays to dream...