I've recently bought a turntable (1 month ago) and often go to street or flea markets to get to some old vinyls and really got some pretty good records such as Los Mac's (Chile), Herman's Hermits, Los Quarrel's (Chile) and Los Beat 4 (Chile).
I've got lots of records from Chile and, though the quality and sound are quite good, it is disappointing they were compelled to record a certain amount of covers before including some original music. That's the case of Los MAC's, whose first album was only covers and one original tune. Very sad.
However, there are some bands who could do it and recorded a bunch of amazing singles like Angeles Salvajes: http://www.youtube.com/watch?v=tTp4bslq4Zk
On the other hand, I do admire and I'd love to have those amazing 60s Peruvian records, since the main focus of wildness was THERE in South America and they mainly recorded original songs. For instance: Los York's, Los Saicos, Los incas Modernos, Los Datsuns, Los Apsons, etc.
If I had to decide which record to add to my colection, it would definitely be Los Incas Modernos' from 1962. I love it.
http://www.youtube.com/watch?v=smaMq5Vp5yY
Cheers.