Dna30 question and sub ohm cloud chasing help

[VaPeZ]

Had a look at the ipv2 and sigelli adn can officaily say i dont no what to do.. looking at the build on some videos on the internet they seem to both have there pros and cons over eachother.. as im gonna be a total noob to this i was wondering if you had anymore suggestions of what to head for maximum is £80.

or is the ones already mentioned good enough..

also if its not to much to ask any links to websites would be brilliant dont want to buy from a shit site.. cheers andi