Any modern jump cue with an ultrahard tip, either phenolic or treated leather will have about the same "jumpability".
The two categories I have identified are what I call standard jump cues and ultralights.
Standard jump cues have a normal taper and are about 41" in length and are about 7-9oz in weight.
Ultralights are about 4-6oz and often have a thin shaft.
For me the primary difference is one of control.
Having tried both and been instrumental in the introduction of the Bunjee Jumper jump cues I am of the firm belief that the standard jump cue at about 8oz is the best balance of jumpability and feel. An Ultralight makes it easier to jump - essentially the same as using a 3-4oz shaft - but offers far less control meaning that the player has to work harder to control the cue ball. Shooting with a standard 7-9oz jump cue gives the shooter the same feeling when the shot is taken as if they were playing a level shot with a normal sized cue.
So while it's slightly easier to make the cueball hop with an ultralight there is not any jump shot that a player can make with the ultralight that is not also possible with a standard jump cue. But the loss of control, especially at the longer distance jump shots, is a huge disadvantage to me.
So my reccomendation is to go with any jump cue that is similar in balance and weight to the jump section of your Gulyassy Break/Jump cue.
Fury, Sterling, Lomax, Bunjee are all four cues that I personally stand behind.