which mod should i get

[Stinkytofus]

1. ipv4s
120w, 50J, 100J in titanium
cheap plastic feeling plastic cover, looks good
firmware upgradable

2. ipv3 li
200w, 50J, 100J in titanium
quality mod, looks soso
firmware upgradable

3. sigelei 150w tc
150w, 100J in ni200, not sure if J mode works with titanium but i heard it works
best of the three imo, looks good
not firmware upgradable