redskwerl , i would actually nominate either jama-dharma or Yoghii for best hu player since i havent heard either of them are even trying to focus on learning 6max or another format. they are still "fulltime" HU regs. jama does play 6max a few times but very rarely. Yoghii ive seen to be waiting for a week for otter to play him at 200/400 where yoghii is beating him heavily according to otter's chat 
and there is a difference between the most solid and the best. I actually think after having a few talks and seen a few chats here and there would think TPir is not only being humble when he says others are better than him. For sure TPirahna is the most solid 6max high stakes reg there is and I don't think anyone objects to that of the other lhe regs.
though i just found tpir to say this about the question whos the best lhe player
"If you're including heads up and 6-max, it's not even remotely debatable in my mind. ZZeigler is the best."
SOSOS - thats what im going to call you from now on hehe
the case im refering to is this http://forumserver.twoplustwo.com/18/high-stakes-limit/jama-dharma-1329932/
things got out of hand and I think even though i admire TPirahnas game he went out of hand on the personal stage here. lashed out and it actually all ended in he said "i quit 2p2 for sometime" and stopped posting there. im quite sure he hasn't been posting since. He also quickly makes a note of it in his blog that he states he went berserk in a thread on 2p2 and decided to not post there anymore for a while as it made him stressed while playing.
you'd have to read both the jama dharma posts to really get a fully view on the entire case as its large. but basically people has been annoyed TPirahna is so rule strict and they think he would report them for nothing. thats why i say his reputation got tarnished a bit. or damaged if you understand that word better.
all this is just my interpetration of how things went down and are. Can't say if im wrong in anything here or right for that matter. But I do have followed the whole jama dharma case since the beginning. aka those 2 threads which can be found in the high stakes limit section on 2p2.