Kobo is having a mother's day sale.
The forma is $30 off, making it $219.99. Shipping is free. This is the top of the line kobo with the largest screen, and is one of the two that has physical buttons (and is also waterproof); it's comparable to the Kindle Oasis, but larger.
Also on sale is the entry-level Kobo nia, marked down from $99.99 to $79.99. This is comparable to the entry-level kindle.