Texture made with Carrara
Heightmap detail done with Bryce
Lots of heightmap detail can be added with the use of 16bit heightmaps, also this allows you to skip -l smoothing with mapconv, retaining even more detail.
Enjoy!
Maplink:
http://spring.jobjol.nl/show_file.php?id=1094
Screens:

http://users.hszk.bme.hu/~sp552/screen169.jpg

http://users.hszk.bme.hu/~sp552/screen168.jpg

http://users.hszk.bme.hu/~sp552/screen167.jpg