Also agreed... spend your summer enriching yourself with something that may not be related to your career. I marched in a Drum & Bugle Corps for 4 years when I was 18-21. My fellow classmates scolded me for not getting an internship, citing that I would not easily find a job without one. They were wrong. Enrichment in other areas will make you a well-rounded person. Plus you'll likely meet other people interested in your field that may offer you a new perspective.

Here's a tip: you have the rest of your life to work. Do something you may never have a chance to do again (or until you're retired).

To me this seems best combined with a UPS. Power your Cable/DSL modem, router, switch, ATA, and this (all low-power devices). Install asterisk on it and you could have sustained phone and internet service (via laptop) during power outages.