I'm replacing the track lighting in my kitchen. The current system is low voltage, with a 300W transformer and six 50Watt halogen lamps on a 15 amp circuit. The transformer has failed twice in 20 months, so I'm going to a different brand. And I'd like to go to 8 lamps to get better coverage.
I see products for both low voltage and line voltage lighting. I know that the low voltage systems require a transformer, while the line voltage products appears to run at 120v. Are there any advantages, or warnings, of using line voltage systems versus low-voltage?

Many thanks,