I am looking to buy my second glock so my 23 doesn't feel lonely. I have decided on a 34 and am wondering should I wait for the gen4 or get a gen 3 now? I own various other guns so it isn't like I need one now but if there really isn't much difference I would like to get a 34 soon. The only thing that I am curious about is the new recoil spring. I don't really care for the interchageable backstraps but am wondering if the new spring assembly will make significant difference. Any thoughts would be appreciated. Thanks. John p.s. I just found this forum and love it. Some great reading here and some even better folks.