Time to Sell? - Nah don't think so.  She isn't just a car to get me from A to B.  She's not even just an MR2.  The MR2 poster I had up on my "dream board" years ago, was this colour.  The way she came into my possession couldn't have been scripted.  I don't believe in coincidence.   I also realized a few years ago, that she came off the production line the very same month that my Dad passed away. 
I'd risk buying something else that needed fixes I've already had done.  Yeah paintwork is a bit sad, but it'll get done eventually.
With the money I've spent on her in the last 4 1/2 years I could have purchased something newer, but I didn't know that at the time & it wouldn't have been as much fun.  There were a couple of times I seriously considered selling her........ but then I picked her up from the car doctor & changed my mind. 
 
Eric - Thanks for that offer .  I'll weigh it all up once Peter gets back to me with prices, etc.
 
Thought I was just up for front tyres, so I got them fitted on Tuesday. - Michelin Pilot Sport 3.
Tyre guy said that the rears weren't very good either & Peter at Road to Race agreed, so have had them replaced today, stayed with the Falken Ze912.  He also mentioned a flat spot on the passenger wheel & showed me a video of it on the machine that spins them, guessing it was the balancer maybe?  It had quite a wobble.
 
Anyone got a stock 15" rear?  -  Wheel Fixed.
 

Ouch, that's a hefty bill. Hopefully be a different car when all fixed. Nice work Shaz.

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Matts_SW20
 
Yea the King springs are newer and will suit fine, given the low complexity of the part I couldn't see too much of a difference between them and the Gen3 set but if it's all new makes sense to not mix parts.

 
In the long term, spring steel will tend to coarsen its grain structure, and flow slightly, and will over time plastically deform so a car springs may decrease somewhat in performance as the metal ages and start to sag.
 
Always better to go with a new spring and forget about using 20+ year old springs.

Whao!!! That is expensive! Couldn't you save a heap by buying new strut inserts and springs on ebay then having them fitted for much cheaper, unless you are getting bilstein or koni shocks fitted as they are expensive. Labour wise I would have thought this could all be done in one day easy. MR2 suspension is really easy to unbolt and do, especially with a hoist. I changed all mine at home in less then a day and I wasn't working very hard.

Just to add my own experience, when I first bought my car it came with King springs on standard struts and it was pretty stiff. Currently has Lovell springs on Koni's. I know it's almost like comparing apples to oranges but I think the Lovell springs are better and can be had for pretty much the same price. 

 
It has begun.  Some progress shots. 

Knightrous
Looking good!
Maybe replace the ~28 year old brake hoses as well? 
I fitted HEL braided lines to mine - http://www.ebay.com.au/itm/142507909655

1. To late to add things now
2. Brake things come from Stopmaster at Gateshead, especially now that he one of our sponsers. 😀

Looks great Shaz! This may give me the motivation to get around to changing my suspension from the boaty stock stuff. I agree with the brake hoses they're a cheap and easy replacement. Stopmaster should sell a set for $50 or so, they may not be braided but I doubt it'll make any difference.