(was RR Fuel Reg) Upgrades?

[ptimmerm@mashtun.jpl.nasa.gov]

I first asked if anyone used the Microdynamics Rising Rate Fuel Regulator.
Now to be more general:

My engine is still stock.  What is the best way to get 
250-350hp for the fewest dollars,
but with good reliability and drivability?

WasteGate Spring ?		$
Home Brew Fuel Relay Circuit	$
IA computer mod ?		$$
Schrick Cam			$$
Plained Heads?			$$
Larger Intercooler ?		$$
Rising Rate Fuel Regulator	$$
Sport Turbo ?			$$$
Low Restriction Waste Gate?	$$$
20v Motor			$$$$

$   < $0.1K
$$  < $1.0K
$$$ < $10.K
$$$$ > 10.K

Did I forget anything?

>Any mods, what's the app?  My 350hp is running a little lean (but still @ or
>above stoim), but I know that @ 275 hp everything is fine with the stock
>setup on the 5ktq.....  I have some other ideas, not sure the RR fuel
>pressure reg that probst mentions is the best mod...
>
>Scott
>PDQSHIP@aol.com
>87 5ktqRS2