I really dont think that reception would be horrible if you were to put it under your dash.
But I would probably try and mount above the mirror or something.
$2000??
turbo it! haha
but wow 27k miles....i would def try a 5spd swap
you could probably sell your tranny for a good bit since it has such low miles.
im not big in directional wheels
but you really dont need our opinions on wheels, thats one of the main things that sets you a side from others.
if you like em then get em.