eye- i just bought the 242, the MA said it was in between the 239 and the 252. it is soft and really packs on the color for lid and hilight. i also like the 217 for crease and blending, the 275 for crease, and of course the 266/212 to line.
lip- i only use the special edition lip brush from a set i bought two years ago, i was looking on the site and they have an interesting covered lip brush, which i think would be great to have for when you were out and didn't have room to take your lipstick with you (i.e., loading up the brush before hand and covering it)
anyway, that's my humble opinion. hope that helps