Budget IEM - upgrade from PX100

[chaembian]

Hi

I'm a happy PX100 user. But during commutation, the external noise renders its useless. I'm thinking that an IEM will help me here. I'm looking out for helpful suggestions towards this:
- An IEM that has the same sound signature as PX100
- Not very expensive. Probably $80 is the max I'm push up the budget, I think. (That said, if you think an IEM outside the mark will fit my need perfectly, let me know. Probably, I'll start getting used to the idea.
- The setup will be unamped

Source: iPod 5.5G

Did some research and ended up with ER6i and UE Super.Fi 3. The missing bass seems to be the only thing going against ER6i. I'm leaning towards Super.Fi 3. Are there other options I should be looking at?

Thanks in advance for the hints and tips!

 

[jh4db536]

atrio m5/m8
gonna have to raise the budget to 140 though...

IMO, those make the sound that the majority general music listeners are looking for. if i bought those without doing any research or hearing hd650's i would be awed.