get the right animal and you will have no probs, the buckets i linked to state suitable for boiler conversion, I have recently bought 2 60l ones myself. I rang the guy up and had a good long chat about brewing, he is a friendly bod, and suffers fools like me gladly, and had an answer for all my silly Q's .. my first boiler also plastic was a blue hdpe mango barrel, some knock these, it served me well for over a year, im upgrading for volume the boiler still works i just want to brew 2 kegs worth i one hit.
standard 15mm plumbing fittings make excellent taps and plumbing, a 15mm tank connector can be drilled or filled thru allowing a pipe to be pushed all the way thru giving connection options inside and outside the bucket. and Stainless steel braid makes a simple hop stopper.
HOWEVER!! i recently bought a tesco kettle for my new hlt build, the new ones are a bit more of a puzzle to strip of the redundant plastic n switch, and at least one member in here has had a first boil failure of an new tesco/asda element. the new one seems to be of a lower quality, an has a thinner element.. in the light of this i think i would consider using something like this :
http://www.copperkettlehomebrewing.co.u ... 6642a379c5
see
viewtopic.php?f=6&t=49194
no Im not on commission

about £15 more than a tesco kettle, but should last much longer and will not take a few fiddly hours to set up.. (removing the overboil protection, cut outs, switch etc)
its an easy build, drill holes for element and tap, seal test and brew.. but not for everyone, i have discovered i get just as much fun pottering about with equipment and trying to make it as i do brewing the beer, but your focus could be on the brewing and results..
ist update for months n months..
Fermnting: not a lot..
Conditioning: nowt
Maturing: Challenger smash, and a kit lager
Drinking: dry one minikeg left in the store
Coming Soon Lots planned for the near future nowt for the immediate
