i have to kind of disagree that gasless sucks, well, not totally suck anyway, it definitely has its uses, like welding outside for starters, where even a soft breeze would take the gas shield away.
i have only got a gasless, but have found a big difference in the quality of wire available.
my local Allwoods store sells the Maypole flux wire, and its quite good to be honest, and works pretty well with my little SIP 90amp welder, with only hi/lo amp settings.
however, whilst in a different area, i picked up another brand, from a specialst supplier too, and its shocking!
the weld is ok with perseverence and change of tactic, but the splatter and slag off the stuff is huge!!!
might i suggest a change of wire costing a tenner, before finally giving up on the welder costing a ton?
it'll be now that you tell me you have a sip 90amp welder and already use maypole flux cored wire! ha ha!!!