From a conversation with them, they are intending to charge around $2000/seat/month. This takes it out of the realm of possibility for me, but http://excel-dna.

From a conversation with them, they are intending to charge around $2000/seat/month. This takes it out of the realm of possibility for me, but http://excel-dna.net/ http://excel-dna.net/ looks like it will fit the bill with a little elbow grease.