air to air intercooler or methanol/alcohol injection?

i have a blown 98 gt and this summer heat is killing my power.i was gonna go wit h a paxton air to air intercooler setup,but the shop that does my work recommended methanol/alcohol injection.the car only gets driven maybe 7 days out of the month.
i have been doing some research on the alcohol kits and they look pretty good with nice gains.what do you guys think?
charles