I use BG80 Power and like it, it lasts really well too. I play 2-3 times a week in the season and it lasts a couple of months @ 23lbs.

I personally think tension is more important than the string. Most people I string for couldn't care less about what string I put in their rackets as long as the tension is correct.

Most durable string I've come across is BG65 Ti, its bad for business as the rackets never come back!!

I also string myself and during my tour around Asia I have picked up a lot of string and just bg66um there lots if colour unlike in uk only white and yellow and red in you buy it in 200m reel which is rather pointless unless you are a stringer. About a year ago I used lots of different strings like yonex lining victor and etc and I often snap string during matches and changing to a same racket but the feel is really different so I decide to stick with one string recently bg66um is a really good string tough is abit soft feeling but I like crispness feeling it gives and I string it at 26 pounds or higher. And during normal play or training I don’t seem to break the string often at all just sometimes miss hit due to pressure to try kill the shuttle in a game. Is a really trust worthy string so you should stick with it but you could pick another string but main thing is dnt switch around.