It has been years since I made the switch to coated strings and I have no regrets. I was getting really annoyed with normal electric guitar strings, those nickel plated ones just don't last in my use. But these Elixir coated strings are a whole different thing, they last for ages and still sound as good as new - Deep lows and brilliant highs.
Now about this particular set "made for" 7 string guitars. I use this set on a normal 25,5" scale six string guitar which I tune to C Standard. So I'm only using the following gauges: 013-017-026-036-046-056. I have no use for the 010 gauge string. This setup works really well, although the low string could be a little more beefier - something like 058 or even 059.
I haven't tried this set with a seven string, but since I find the low string a tad too loose in C I'd bet that the low B is a little too much on the floppy side. Of course this is a matter of personal preference and this is only my opinion. Nevertheless these strings are almost perfect and I recommend them for everyone to atleast try out once.
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