No, buy now.
1) Pricing is really really good now - it won't really get better but selection will get worse
2) you will still get this season to use them, and if you want something /better/ you can flip them in swaps come fall.
Yes, twintips are weaker in turn finish, twintips punish very duckfooted stance and twintips throw snow in your buddies' faces behind you.
Some of those may be positives for you, maybe.
Do you have boots?