need easy way for horsepower

i have a 90 dodge daytona es 2.5 t1 what would be the easiest and cheapest way to add some more horsepower i was told to get a manual boost controller but what can i do

http://www.thedodgegarage.com
http://www.minimopar.net
http://www.turbosunleashed.com
That should get you started on the right foot...