Pistol Thoughts:
Are you a GSSF Member? GSSF Members get Blue Label Coupons for Glocks. It makes supply much easier.
If not, get a 2-year membership ($60) and when you first coupon arrives (in about 30-60 days) buy a Glock 43 or 48.
When your second coupon arrives (in a year) buy a G19.
That solves the pistol problem. Personally, I'd go G43 over G48 if my plan was to go G19 in the long-term, because the slightly smaller 43 will be able to be concealed in virtually every situation the LCR would be able.
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Long Gun Thoughts:
AR15 - AR15 - AR15 - AR15 - AR15.
Hey did I mention buying an AR15. I would buy one ASAP and prioritizes it over a pistol.