MOTM

Hi!
Id really appreciate some help regarding which soldering tips I should 
use for Soldering the MOTM kits.
Im buying a second hand WELLER WECP-S 50W and I want to order some new 
tips. 
The following tips seems to be avalilable:

-The WELLER "Longlife" soldering tips are available in
the temperatures 260°C, 310°C, 370°C, 400°C and 480°C.

Please help me choose the right temp. tip.

Regards Azzer