Little bit "forward" sound - what cables to avoid?


My system with Cary SLP-05 sounds great, but just a little bit "forward" to my taste. My PC and interconnects all are Wireworld, and I feel to explore all SLP-05 potential I need something better - I am thinking about Kubala-Sosna, Purist Audio, Nordost, Shunyata...
I know the choice of cables is system dependent, and matter of taste... But, is there a common opinion which cables are known for tendency to "forward" sound and I should avoid?
I do not have experience with cables and any help to narrow my choice is greatly appreciated.
Thank you.
Boris.
128x128homosapien
Post removed 
I did try Nordost Valhalla ICs once, and they were extremely forward. In fact, that was their primary characteristic. The Kubala-sosna Emotions were not forward
(nor recessed either, just neutral in terms of image placement).
My question is not how to fix "forward" sound, it is just a tendency, not a problem. I just want better cables than my mediocre Wireworld, and do not want them to make it a real problem. So, as Rgs92 suggested I might want to exclude Valhalla IC from the list.
Thank you.
fwiw I have been thru several cables and prefer Gabriel Gold Revelation I to all including Audio Note AN-VX, Audience AU24, Acoustic Zen Mat Ref II and many more.

I agree with this post:
http://forum.audiogon.com/cgi-bin/fr.pl?fcabl&1133280666&openfrom&1&4#1

give them a try and you may not go back
What model is your Wireworld interconnect? I've owned the Eclipse II and still have the Super Eclipse 5 and they are not bright but rather neutral and clean. Brightness can sometimes be caused by the room itself due to reflection from the front, side and rear walls especially in small rooms resulting in sharp piercing treble.