Dullaron's settings made me a believer (still using v.146). Thanks for posting it.
I did cut out the phosphor life to get rid of blur. phosphor_life 0.0500000,0.0500000,0.0500000
A prescale of 6 makes some of the old games like Frogger and Popeye run at 50% on my system. Is there a reason for that other than just a lack of horsepower?