Subwoofer advice

[rocketracer]

my system is taking shape slowly:

Sony STR-DA5300ES AVR
Energy C-300 Floorstanding speakers (front)

i now want a sub that will work well with this setup. once again i have a fairly small budget of R2500.

what would you guys recommend?

 

[MetalMilitia]

 

[rocketracer]

 

[rocketracer]

 

[MetalMilitia]

 

[Norval]

 

[rocketracer]

 

[JimGore]

 

[rocketracer]

 

[dotVIBE]

 

[JimGore]

 

[rocketracer]

 

[JimGore]

 

[NoSnipeLimit]

 

[rocketracer]

 

[Vaughan]

 

[rocketracer]

 

[JimGore]

 

[Sound Buddha]

 

[rocketracer]