“Nothing Suits Me Like A Suit”, the musical number from HIMYM’s 100th episode, is available to purchase on iTunes ahead of the episode’s premiere this coming Monday. It’s available internationallyas well as in the US – this link is to the UK store, where the song costs £0.79 – and has a 2 minute 50 second runtime.

Also newly available is an official audio copy of the Commentary! The Musical soundtrack. It too is available internationally on iTunes and as an MP3 download from Amazon.co.uk and Amazon.com.

We’ve added a selection of photos from the 100th episode celebration held at the Paley Centre on Thursday night to our gallery, and you can watch the cast being introduced in this YouTube video.

The cast have been hitting the promotional circuit ahead of the landmark episode, and there are various behind-the-scenes clips and interviews around, in addition to the Entertainment Tonight video we linked earlier this week. The following articles all contain some spoilers for the “Girls vs Suits”: ChicagoNow has a short interview which includes the first 40 seconds of the musical number, TVOvermind have internationally viewable versions of all the CBS behind-the scenes videos, Zap2it talk to Neil and the rest of the cast, as do IGN.

Eonline’s Kristin Dos Santos caught up with Neil and the rest of the cast at the Paley event, while The Futon Critic and The TV Addict both provide fantastic recaps.

Finally, Neil will join Snoop Dog and Niecy Nash in stopping by the Wanda Sykes show tonight, at 11/10c on Fox.