You mentioned 'adapted' Ikea bookshelves - not sure what you are
using, but I switched to Ikea Billy 80 High, with 2 extra shelves and
the cd divider inserts, I think it looks pretty good.  Not too bad for
shifting over, room for your finger, keeps the dust off.  I did two
walls with the corner thing, I like it - just happened to fit almost
perfect which was a bonus.

-- 
Lee Elliott