I'd say yes - a-frames are worth the money.  I got a pair and they are the best goggles I have ever put on for seeing the hill and periferal vision.   And those new clearish blue lenses or whatever colour they are - those things are sick.   they like, actually improve your vision in flatlight, sunny, and well - just driving down the road.   Amazing.
Darryl Hunt
aka - highschool
'...we went on a trip with the ghost of christmas past, and he stole our damn sunglasses...'  Socrities, Godzilla, or annonamous, i'm not quite sure.......