Ukulele Magazine: Gear Guru: 5 Overlooked Features When Buying Your First (or Next) ‘Really Good’ Ukulele
Ukulele reviews (a U.K. site, but you can get many of the featured ukes in Canada)
Stores
Luthiers (Custom-made ukuleles)
C.F. Casey Guitars - he builds ukuleles too!
Re-stringing your ukulele Click here
How to install new strings on your uke: Click here
Transposing Slide Rule: Click here
Click on the images to see details
Capo - Sometimes, online songs indicate you need a capo at a certain fret. Ukuele Capos: Everything you need to know.
Harmonica - Just like a kazoo, when you need a break from playing your uke, play along with a harmonica. Harmonica lessons here.
Humidifier - If your ukulele is kept in a dry atmosphere, it can dry out and crack. A humidifier will keep it at the appropriate humidity.