Sony this week announced updated versions of its Reader Pocket Edition and Reader Touch Edition eReaders will go on sale in Canada next week.

The company says the new devices are smaller and lighter than their predecessors and feature an improved e-Ink display with touchscreen capabilities.

The smaller Reader Pocket Edition (model PRS-350 replaces model PRS300) with its five inch screen and according to Sony is now the thinnest, lightest e-reader on the market. It comes in multiple colours with 2GB of onboard memory (enough memory for about 1,200 books).

The Touch Edition (PRS-650 replaces model PRS600) features a six-inch full touch screen, 2 GB of onboard memory and comes in black, silver or red. In addition, it offers dual expansion slots for up to 32GB of additional memory, and the ability to play MP3 and AAC audio files.

For users who wish to view PDF files and other documents on their readers, Sony has incorporated new features on both units such as intuitive content zoom, adjustable contrast and brightness control, as well as automatic multiple page creation which will make for easier reading.

For improved comprehension, the units also have a built in New Oxford American and Oxford Dictionary of English eDictionaries, as well as 10 translation dictionaries in languages such as French, German, Spanish, Italian and Dutch.

The Sony Reader Pocket and Touch Edition will go on sale on Sept 8th and will sell for $200 and $250 respectively in Canada. In the U.S., the devices will sell for $179 and $229.

Discuss the Sony Reader Pocket and Touch Edition in Digital Home’s eReader forum .