Hi Jacqui
I used to have a LG Renoir touch screen phone, but in December I upgraded to a Samsung Galaxy S android phone (as I'm quite a geek too) If you turn the phone
sideways you get a bigger keyboard, and it also has the
swype feature too
I think most android phones have these features now, such as HTC desire etc.
I've found the screen a lot more responsive too, which helped a lot with text input.
There's a raft of new Android based phones about to launch, such as the Galaxy S2, but there's some really good deals on slightly older models if you shop around.
Hope this helps :)
Jo.
2012 Fundraising for the National Rheumatoid Arthritis Society (NRAS)
http://uk.virginmoneygiving.com/RoboJo