Well if you disable shipping, no shipping charges will be applied to customers cart. and won't show up.
Strip out of the checkout.tpl (If you're using the standard checkout, not the fastlane mod) the code which let the payment methods appear and then deactive all payments methods in the admin menu. Just let one active something like wire transfer. I guess its ID=10 (needed
for example.
and then after you stripped out the payment code, add this
Code:
<input type="hidden" name="paymentid" value="10">
Change 10 to the corresponding id number of your payment method.