Found a few links

You may have to scroll down to exact product.
For your first mobo, here is basically the same board, its a AK32A instead of L:
http://www.newegg.com/app/ViewProduc...tby=14&order=1
and the Athlon XP 1700 that came with it:
http://www.newegg.com/app/ViewProduc...tby=14&order=1
Here is another link to your case:
http://www.800pc.com/product.asp?dep...10#idPr oduct
and another:
http://www.dealsonic.com/cod60atxmidt27.html
I dont know about the other online companies, but I have bought stuff from Newegg and havent been dissappointed yet

But here are some more options for you
