Multiple Signatures in Gmail

Most of us now use multiple email addresses - primarily work and business in our day to day life. Having a single interface to access and use multiple email accounts comes handy. I use Gmail to access my personal and BU emails. But not always. Even though Gmail has had a feature that lets the users decide which email account to send the email from, it used to attach the same signature (if enabled) to all the messages sent from any account. This was very annoying. I use a formal signature for my school emails and don't use any signature for my personal email address. A few months back, I wanted to use only Gmail for my BU emails too, so that I have all my emails at one place. So I added the BU signature to my gmail. But after a while, it became a real pain because I had to manually delete the signature from the email editor everytime I wanted to send an email from my gmail account. And if I chose not to have the signature added automatically, I had to type the full signature everytime I needed to - a much bigger pain.
 

Fortunately, Gmail has  recently added an option (MS Outlook has had it since long) to attach different signatures to their respective email accounts. I wonder what took Google so long to come up with this! At the same time, I also think that even though I wished for this feature for a long time, I never complained - maybe because Gmail has always been free and it was good enough (one of the best!) for something that you get for free.