Some of the sites I run use less than 10 gig/month of bandwidth. Here's a collection of hosting companies that offer ASP coding, MSSQL database access and a bandwidth level in that range.

activehost: $25/mo for 10 gig/mo bandwidth, MSSQL is another $15/mo
brinkster.com: $24/mo for 6 gig/mo bandwidth and MSSQL
casahosting.com: $60/mo for 10 gig/mo bandwidth and MSSQL
iarna / hostway-uk.com: $79/mo for 10 gig/mo bandwidth and MSSQL
icelab.net: $20/mo for 3 gig/mo bandwidth and MSSQL
infosaic: $17.99/mo for 3 gig/mo bandwidth and MSSQL
setupsite.com: $24.95/mo for 10 gig/mo bandwidth and MSSQL

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