It sounds appealing being in the "gem of the Southwest", and when the weather is good, you genuinely feel like you're abroad. However, other than that, Plymouth is a very run down city, very post-war and a lot of unemployed people roam the streets. The next biggest city upcountry is an hour away by train, or Bristol is 2 hours away. I found myself always commuting to these cities for shopping. That said, Plymouth is a very cheap city for drinking and for rental prices, but that's about it. In terms of getting to other parts of the country, its quite "in the sticks", London is 3 hours away on the train, anywhere up north takes at least half a day, and the closest airport is Exeter, which only flies to mediocre UK destinations. If you're looking for a uni town with a bit more "oomph" I'd say avoid any city SW of Bristol.