I run almost that exact setup at
www.serverprovider.com and am very pleased with it. It bursts up to 250mbps+ daily and doesn't even hiccup, member's area downloads at 500KB/s+. Price is solid, not quoting it here, let's just say you'll be happy with it.
Talk to Sami (ICQ 311-848-143), if he's not in feel free to contact me with questions. 215-500-846.