So after spending hours looking at reviews but mainly the beam shots from light-reviews.com I think I have my best picks to buy for 1 x AAA, 2 x AAA, 1 x AA, 2 x AA and here they are.
1/. AAA x 1 Fenix LD01 or Eagletac PN20A decided on Fenix LD01
2/. AAA x 2 47's Preon 2 or Eagletac PN20A2 decided on Preon 2
3/. AA x 1 Fenix LD15 or Eagletac P10A decided on Eagletac P10A
4/. AA x 2 Fenix LD20 or Eagletac P20A2 MKII decided on Eagletac P20A2 MKII
1/. AAA x 1 Fenix LD01 or Eagletac PN20A decided on Fenix LD01
2/. AAA x 2 47's Preon 2 or Eagletac PN20A2 decided on Preon 2
3/. AA x 1 Fenix LD15 or Eagletac P10A decided on Eagletac P10A
4/. AA x 2 Fenix LD20 or Eagletac P20A2 MKII decided on Eagletac P20A2 MKII