Re: hamstrings...I hate, truly hate the lying leg curl! I can't do them..my torso is simply too short to be comfortable on these torture devices.. I end up with my back in a U-shape and still can't curl those damn pads.. I feel less pathetic in a seated leg curl... here are some numbers for May when I did them last time: 3 sets with 15 kg of 8-8-9 reps..

Lunges.. oh, I didn't tell you I do them for my gluteus (butt)! But actually they even work the hams harder..
For gluteus I do:
db lunges indeed.. very low weights now as I only just added them back on last Saturday, hence the profound pain in my butt and gluteus... (my physiotherapist had me do them in Spring when I was in rehab for my injured foot). Man, I can't remember that my butt ever hurt that much! .. i couldn't even sit properly on Sunday.. that's why I added them to leg day and do just hips separately on Saturday.

#s for gluteus exercises:
squat lunge = one step forward, with other knee almost touching floor.. and then going backwards with force coming from rear foot. I have to do this very slowly, esp. for left foot as I nerly topple sideways.. this is for each leg of course
- 10x4kg (8) ,6x6kg (12) ,5x7kg (14),and another 4x7 (14) as I
couldn't do it with the planned 8 kg...

step up.. similar to db lunge, but now by stepping up onto a platform of approx. knee height.. I find this very hard to do as well.. if only to remember which foot to put back down first. If you stand a little bit further away, it's for the gluteus&hams I read, closer for quads.
- 10x4,6x6,5x7,4x7 kg.. exactly the same..

standing gluteus: 10x30kg,6x40kg,5x45kg,6x50kg (both L&R again..).

because of the 6reps of the last set, I decided to do a 20-rep set as a warmup rather than a 10rep set.. and take a 3x6 rep approach as well... at times I ended up with 8 reps for the last set,though I had struggled through the 2nd and 3rd sets.