Software discussion forum was probably better suited for this post.
I haven't found any skin better than Arby's for touchscreen's yet. Maybe you should try to change the font. If you can't through options, it may be embedded into the script xml files. Read up on skinning at winamp.com or ask on the forums over there.
The front ends usually have larger playlist text. See the software discussion forum for links to Media Engine, and the rest.