I have the finns in 10 and 50lb. great stuff.
Also have the Millenium hotfiber II in 20lb. also great stuff.
Rapala titainium braid in 4,6 & 8lb. great gear again. realy supplea and strong.
I had a spool of rapala (Squidgy) titanium braid on a baitcaster that was woeful. snapped while casting several times for no apparent reason. binned it and put the 10lb finns on....great now.
never treid the platypus but will be giving the 2lb a go soon enough.
cheers, roo.