best matching full range speakers for sx880 pioneer (60W rms per channel)

The large Advent would be a nice fit. Plenty on Ebay within your budget!

I have the SX-680 version (45 wpc) and have had it paired with both my JBL L40 and ADS L520 speakers for many many years. I slightly prefer the ADS sound for its less fatiguing tone but the JBLs sound more dynamic. These receivers deliver surprisingly good balanced sound. You just need to decide what kind of sound you're looking for in a speaker. There's an ADS L810 listed right now for $275 and could sound real nice with your SX-880. Great speakers with particularly solid bass.

Had a 50 wpc pioneer of that vintage (SX-950 TW) or something like that back in day.  Large Advents were the go to at that time. 

Nostalgic is nice and dreamy while thinking
Performance and sophistication is preferable when listening
 you make the choice.
If it matters a 30 year old pair of properly set up Vandersteens 2Cis about 500 bucks will smoke all your dreams into a great listening expierience.
Best ,
JohnnyR

Thanks guys for your helpful comments i m thiking about the ADS  i like soft sound instead of JBL its highs are really high .
on the other hand new cheap bookshelf speakers with new materials and wonderful crossover have better sonic signatures but need a sub to complete the full range anyway i dont like subs or the "2.1" system but with my budget maybe push me to do that
Thanks
.