MC9S08QD4: 8pin, $0.66, 4K/2K Flash,256/128 RAM, 8M Bus,4CH 10bits ADC, Two 16bit timers, 2.7V-5.5V,
The only thing is this device is a menmber of S08 family, not HC08. While, S08 has more advantages than HC08.
A low cost DEMO9S08QD4 board ($59.00) may be used during development.
Codewarrior Special Edition with free 16k-code-size-limite licence will work.