If you've brought your laptop with you to Kauai, you should have no problem checking e-mail or connecting to the Internet. Most of the major hotels and resorts offer high-speed access in rooms and/or lobbies. You should check with your hotel in advance to confirm that access is wireless; if not, ask whether in-room cables are provided. In some cases an hourly charge will be posted to your room that averages about $15 per hour. If you're staying at a small inn or B&B without Internet access, ask the proprietor for the nearest café or coffee shop with wireless access.