1. Buy used if you can. Speaker wire doesn't degrade. You'll likely want to upgrade again so buy a well known brand with good resale value.
Here are some of the best within your budget.
AudioQuest Rocket 11
AudioQuest Type 8 "No Frills" (it comes in a plastic bag)
Kimber Kable 8TC - most expensive of the bunch but compatible with the best of the best
Kimber Kable 4TC
Here are some of the best within your budget.
AudioQuest Rocket 11
AudioQuest Type 8 "No Frills" (it comes in a plastic bag)
Kimber Kable 8TC - most expensive of the bunch but compatible with the best of the best
Kimber Kable 4TC