I'm pretty sure you don't have 60Gb of RAM on your laptop. A 60Gb hard drive, sure, but probably around 256-512Mb of RAM.
So, you want an external hard drive. If you're willing to do a little computer DIY, you could buy an EIDE hard drive (I saw a 120 Gb Seagate for $60 in Best Buy this week) and an external hard drive enclosure with a power supply for $30-40 online.
That wireless router looks decent, it's the older 802.11b versus the faster 802.11g. If it works with your laptop, $20 is probably worth it. One thing to consider. Visit your new colleges website and look up their AUP (acceptable use policy). They may have their own wireless routers on campus and may not allow students to set up their own wireless network on campus for security reasons. I know that both wired and wireless routers were a
where I went.