Ya if you buy both and put the 155's in it then you will have the other ones along with you just in case you need them. If you give Cameron at Redline a call he keeps the jets in stock and he will either ship them to you or you can run to Sweet Home and pick them up.
No I am not going again this year. I wish I was but can not swing it right now with all the other trips we have planned. I am not sure when the Salem sand club is going but I know it is coming up soon.