Not really mate. The red top is better for big power as it has a nicer designed head which flows a bit more, but the blacktop is newer.
If it is an S14/15 black top then it will have VVT which could be good for low down torque production, but is usually lost once cams are fitted anyway so I wouldn't worry too much about which specification you get. The S14 engine also has the T28, but these are getting on a bit now. Just get the freshest possible and you should be fine.
I pulled my '91 red top out after years of running 240rwkw's and 1.4 Bar and it was perfect. Had not lost any compression, with a variance of only 3psi at most. Great engines!