These options are probably sufficient if all you want to do is check your email every couple of days, but if you work with your computer often, or want to work at night, you may want your own. At the Masarykova dorm you can also connect to the internet via ethernet ports in the rooms. This is a fast, always-on connection. You will need make sure your machine has an ethernet port, and you will need to bring your own cable with you. The cable is a standard 10 base T, RJ45, straight through.
Most portable units can use European power.
The University of New Orleans furnishes each participant in the Seminars with accident insurance, so that you are protected against medical expense if you have an accident while in Prague or in route to or from. This insurance, however, does not cover illness. Check with your medical insurance provider to make sure that you are covered for foreign travel. If you are not, you may want to add a rider for the trip, or you may want to take out a special policy. The easiest way to change your dollars into Crowns is with your ATM card, in which case you pay no exchange fees, only the standard ATM charges.