Just my 2C - after trying Barebones 1.55 Peas & Carrots, PaysROM, CM7 RC0 and RC1 and 110625 Nightly, and coming from original Nordic Froyo - my Defy is now perfect.
Video still is not 100% perfect, but I can film in wide-mode without lag now, so that's good enough for me (green lens). Using LG...