As far as I know, the 2R is the same as the 2Lite, except for the addition of the small touchpad to the keyboard, and a GPS receiver (which reportedly isn't very good at getting a location fix). Everything else remains unchanged: no video (unless a frame or so per second is satisfactory), no audio capability whatsoever, and what has to be said is a rather cobbled together set of applications all of which rely on going online and waiting (the best part of a minute for the device to connect initially when turned on), and waiting more everytime you click on anywhere.
The only good thing about the Pocket Surfer 2 range is that you can access the net anywhere you can get a 2G mobile phone signal, and because it uses 2G (not even EDGE), it is very cheap to run. The problem is that because all the Pocket Surfer 2 itself receives and displays is a compressed graphic image of the webpage rendered at their data-centre, even with a tiny mousepad, there is no interaction with the page. The mouse pointer does not change when you are over a text entry box, for instance, because the PS2 itself does not know it is a text entry box. Any time you click on any part of the page, a request to click on that bit of the page is sent to Canada, processed by the web-browser running for you there, and the result sent back to the PS2.
For all that the PS2 has a back-lit keyboard, the only time it can ever be used is for entering text into text entry boxes. You cannot use the keyboard to interact with java / javascript / flash applets. Most of the time, all you'll be doing is moving the mouse pointer around and clicking, hopefully on a link, and waiting. Definitely waiting. A lot.
Navigating a webpage is painful- what you are doing is seeing a part of a webpage rendered using IE6 at their data-centre. When you scroll around, it displays a different part of the window rendered there, and when you reach the edge of their screen, it starts moving as if you were using the scroll bar on the IE6 browser, jumping up in much bigger steps which take a few seconds to load.
If you need a device which
a) can access the net anywhere it can get a basic 2G mobile phone signal (which in the UK is almost anywhere)
b) is cheap to run (20 hours free per month for the first year), with unlimited access for about £6/month
c) you don't mind it taking about a minute to start-up before you can do anything with it, and that everything you do with it will take a long time
then it might be for you.
I would strongly advise anyone considering buying any Pocket Surfer device not to do so. I am so thankful that the PS2Lite I had for three months developed a fault with the keyboard backlight and after a little friendly chat, I convinced the store manager to authorise a full refund on it. So long as you have wifi access, an iPod touch 8GB is just as cheap as the PS2R, and is so much better that it leaves the PS2 range looking like machines from the 1970's in comparison.
Even the one other selling point of the PS2 range, the 640 pixel wide screen is inferior to the 480 pixels of the iPod touch or any other modern device. You see, whilst the PS2 is fine at displaying webpages at their native resolution, if you zoom out, it all becomes a barely readable mess as there is no proper anti-aliasing used. On the other hand, the 480 pixels of the iPod touch look fine even when zoomed out wider than the PS2 could display at 1:1 as it has a dedicated graphics-processor to handle the re-scaling on the fly. Plus moving around, and zooming in and out is a lot easier when you have a touch screen you simply swipe and stretch or squeeze with your fingers, than using a tiny mousepad or a zoom-button (and waiting a few seconds to see the result of moving or zooming).