If you're sure you're eventually going to purchase a C-150/152, I see no downside in buying it now and training in it as opposed to renting another airplane for training and buying a C-150 later.
... Radios can be had fairly easily. ...
...I won't repeat but will throw in my 2 cents on radios...(snip)...I'd favor the plane with the better instrument platform. (I redid my plane's avionics and it's cheaper to buy a plane where someone has done this for you!)
I'd have to agree with Catherine on this one. Avionics are not cheap to buy or install. Careful consideration should be given to what avionics does the plane currently have; what are you goals; and how much will it cost to upgrade.
...There are some folks that believe an IFR rating makes them invincible. And there are those that may know that they are mortal, but tend to maybe push the limits now and then. Where it would be best that they not have that knowledge in the first place. And thus stay safely on the ground.
I learned very quickly (the first time I gut buffetted around in turbulence in my 100 HP C-150), that I am NOT immortal in my little, underpowered airplane. Quite the contrary. I agree with Bill that you need to be very careful about flying in any type of IMC in a C-150. As an economical IFR trainer, however, it can't be beat.
