Also, is it one year warranty or three?
I think it's 30 months - but worth double checking.
My view is that as long as you're not being irresponsible by spending money that should be spent on other things, then go for it, buy a new one. We're all at that age when we lose friends or serious illness can strike - so fulfilling experiences are worth having.
Whilst interest rates are so low values will hold.
ETA there were over 72,000 E-Types made (S1, S2 and S3). That's why they're 'only' £200k for a decent S1 and probably not going a whole heap further.