uhhhhhhhhhhhhhhhhhhhhh...
touch hd:
Blackstone - xda-developers
touch pro 2:
Rhodium - xda-developers coming to T-Mobile possibly July 22nd, and then other carriers after.
take your pick!
touch pro 1 and 2 have slide out and onscreen keyboards.
the touch hd and touch diamond don't have slide out keyboards, only on screen.. also the diamond 2 will be out this year.
picture comparison of the touch hd, touch pro 1, and diamond 1:
HTC Touch HD vs Touch Diamond vs Touch Pro