i currently use my air compressor (& rubber tip nozzle) for the removal of any excess water left behind in the cracks after a quick dry around the block... kind of a pain with the long hose, noise, etc...
here is an alternative item that is a bit more portable imo...
product description:
http://www.topoftheline.com/metro-bl...-sidekick.html
best pricing ($69.95 w/ free s/h):
http://www.mightypets.com/product.asp?3=2572#buy
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i will be ordering one and keep the forum up-to-date with my findings...