TOE 4 mm VS Delite 3 mm

[Fedele]

Has anyone owned both? What can you tell me about the differences between the two, in terms of comfort and performance?
Does the elite suffer from parallax? the TOE no, I have it

[Highburymark]

I have the three TOEs, and Delites 4mm and 3mm. Both Delites are excellent - bright, sharp and superbly corrected for fast scopes. In an F/6 refractor, stars are pinpoint to the edge. In average to poor conditions, you won’t see a difference. But in steady seeing, the TOEs will show more detail on Jupiter and Mars. Festoons which were hinted at in Delites will reveal themselves, and subtle band detail will stand out.    
If the telescope’s optics (and the seeing) are up to it, all three TOEs are stunning. Comparatively wide for specialist planetary eyepieces (52 degrees or thereabouts), they are comfortable, and just as well corrected as Delites - no field curvature in my F/6-F/7.5 fracs, no astigmatism, no visible distortion in any of the TOEs. If you want pure performance at high powers, then the TOEs are an easy choice. If you want more than 10mm eye relief, slightly wider views, and comparable views to Delos/XW, then go for the Delite.