I chanced to go thru this thread only now - lovely collection Mrs.C.
I also wanted to share a couple of sites with you with regard to ksv's question
RAAGA - Sri Varalakshmi Vratha Pooja Vidhanam & Story - Tamil Devotional Songs
that site has the varalakshmi vratam songs that can be played online or downloaded for a fee.
At home my dad reads the story of the pooja during the ceremony. Although I don't have that version with me the following link explains the story quite well.
Hope it helps.